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Diesel-Vs-Gasoline-Vehicles Articles

Diesel Engines And Well Known Gas

(category: Diesel-VS-Gasoline-Vehicles, Word count: 316)
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In passenger cars, the diesel engine has never really

caught on. During the middle to late 70s, diesel

engines in passenger cars did notice a surge in

sales due to the OPEC oil embargo, although that is

the only real significant penetration that diesel

engines have made in the market.

Although diesel engines are more efficient, there

are eight historical problems that may have held

them back.

1. Due to the higher compression ratios,

diesel engines tend be heavier than the equivalent

gasoline engine.

2. Diesel vehicles and diesel engines tend to

be more expensive than gas.

3. Because of their weight and compression

ratio, diesel engines tend to have lower RPM ranges

than gas engines. This gives diesel engines more

torque rather than higher horsepower, and this tends

to make diesel vehicles slower in terms of acceleration.

4. Diesel engines have to be fuel injected,

and in the past fuel injection was very expensive

and less reliable.

5. Diesel engines tend to produce more

smoke and smell very funny when compared to gasoline


6. They are harder to start in cold weather

and if they contain glow plugs, the diesel engines

may require you to wait before you start the

engine so that the glow plugs can heat up.

7. Diesel engines are much noisier than

gas engines and tend to vibrate quite a bit.

8. Diesel fuel is less available than gas.

Although one or two of these disadvantages would be

acceptable, a group of them is a big turn away for

many people.

Even though the list above are reasons in the past

as to why diesel never really took off, you can

expect these reasons to get corrected and improved

in the future, meaning that you will see more and

more diesel vehicles on the road.

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How Diesel Engines Work

(category: Diesel-VS-Gasoline-Vehicles, Word count: 297)
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When gas is compressed, the temperature of it will rise,

with diesel engines using this very property to ignite

the fuel. Air is then drawn into the cylinder and

compressed by the rising piston at a much high

compression ratio than gas engines, up to 25:1, with

the air temperature reaching 700 - 900 degrees C.

At the top of the piston stroke, the diesel fuel is

injected into the combustion chamber at high pressure,

then through an atomizing nozzle, it mixes with the

hot high pressured air. The resulting mixture will

ignite and burn very rapidly. This combustion will

cause the gas in the chamber to heat up rapidly,

which increases the pressure and forces the piston


The connecting rod will transmit this motion to the

crankshaft. The scavenging of the engine is either

done by ports or valves. To get the most out of

a diesel engine, use of a turbocharger to compress

the intake of air is vital. You can also use an

aftercooler or intercooler to cool the intake air

after compression by the turbocharger to further

increase your efficiency.

An important part of older diesel engines was the

govenor, which limited the speed of the engine by

controlling the rate of fuel that was delivered.

Unlike gas engines, the air that comes in is not

throttled, so the engine would overspeed if this

wasn't done. Older style injection systems were

driven by a gear system that came from the engine.

The diesel engine is truly an advancement to vehicles

as we know it. As technology gets better, you

can expect the diesel engine to get better as well,

possibly even proving just how much better it is

to the gasoline engine.

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Gas Versus Diesel

(category: Diesel-VS-Gasoline-Vehicles, Word count: 484)
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Due to the high compression ratios and resulting

high cylinder pressure in diesel engines, they

must be built to withstand a lot more punishment

than gas engines. The parts that are spruced up

include a thicker block and cylinder heads,

pistons, crankshaft, and valves, which can be

very costly indeed.

When it comes to the price, gas wins this one by

far. Diesel costs a lot more to own than gas,

which is one of the main reasons why people tend

to choose gas over diesel.

Fuel cost

Diesel fuel is easier to refine, taking less

time to get from raw petroleum to final product

from gas, giving it a lower price than that of

gas. On the other hand, within the United States,

diesel is priced the same or just a bit below

regular unleaded gas.

Noise and vibration

Despite many improvements in noise isolation and

engine noise technology in trucks over the last 10

years, diesels are still much louder and shake

more than gasoline powered vehicles. At idle, the

clatter and shake of diesel vehicles are clearly

noticeable, while it can be hard to tell if the

gas engine is even running.

Cold weather

If you've tried to start a diesel engine on a

cold day, you know that gas is by far easier to

start. Diesels don't have spark plugs like gas engines

do, as the fuel is ignited once it's injected into

the cylinder that is already under pressure.

When it gets cold, the air isn't hot enough to

ignite the diesel fuel.


Maintenance on a diesel vehicle is more expensive,

thanks to many things including the larger volume

of oil in the engine and the fact that fuel filters

and water separators must be serviced more often

than gas vehicles. Gasoline engines have a bigger

advantage due to extended service periods on spark

plugs, engine oil, and even antifreeze.

Making that final choice between gas and diesel comes

down to what you'll do with your vehicle and where

you live. If you use your vehicle for quick, fast

acceleration and rarely ever haul heavy loads, and

don't plan to keep your vehicle past 100,000 miles,

you may want to consider buying a gasoline vehicle.

Gas runs smoother, fuel is easier to find, and

they are easier to start in cold weather. On the

other hand, if you plan to tow, value good fuel

economy and plan on racking up a lot of miles, then

you'll want to buy a diesel.

Price is also an important consideration, as diesel

vehicles can be a bit more expensive than gas. If

you aren't worried about price, then diesel may be

your best bet. For trucks, diesel is by far the

superior choice for those who like to haul heavy

loads on a frequent basis.

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Why You Should Choose Diesel

(category: Diesel-VS-Gasoline-Vehicles, Word count: 300)
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The major distinction between diesel and gas lies in

the type of ignition. While gas engines operate on

spark ignition, diesel engines employ compression

ignition for igniting the fuel. With compression, the

air is drawn into the engine and subjected to high

compression that heats it up. The result is a very

high temperature in the engine, much high than that

of gas engines.

In diesel engines, air and fuel are both infused into

the engine at different stages, as opposed to gas

where a mixture of air and gas are introduced. The

fuel is injected into the diesel using an injector

where in a gas engine, a carburetor is used for this

very purpose.

With gas engines, fuel and air are sent into the

engine at the same time, then compressed. The air

and fuel mixture will limit fuel compression, and

thereby hence the overall efficiency. Diesel engines

only compress air, and the resulting ratio can be

much higher.


Diesel engines are much more efficient and

preferable as compared to gas engines due to the

following reasons:

1. Diesel engines have overcome the several

disadvantages of earlier models that featured higher

noise and maintenance costs. Now, they are quiet

and require less regular maintenance when compared

with gas engines of a similar size.

2. Diesel engines are more rugged and reliable.

3. There is no sparking at all as the fuel

ignites. The absence of spark plubs or spark

wires also helps to lower maintenance cost.

4. The fuel cost produced is 30 - 50 percent

lower than gas engine fuel prices.

5. Gas burns hotter than diesel, and

therefore they have a shorter life span when they

are compared with diesel engines.

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General Information On Diesel Engines

(category: Diesel-VS-Gasoline-Vehicles, Word count: 423)
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Diesel engines offer the lowest specific fuel usage

of any other large internal combustion engine. The

fact remains, two-stroke diesels with high pressure

forced induction, particularly turbo charging, make

up a large percentage of the largest diesel engines.

Throughout North America, diesel engines are generally

used in larger trucks, where the low stress, high

efficiency cycle will lead to a much longer engine

life and lower costs to operate. These advantages

also help to make the diesel engine ideal for use in

the heavy haul industry.

Cars however, continue to use gasoline, primarily

due to the consumer desire for a wider range of

RPM. In Europe, the use of diesel engines with cars

is far more common.

Even though diesel engines are more efficient when

throttled down, they aren't suitable for most types

of aircraft. The higher compression ratios of the

diesel cycle demand a much stronger block, head,

and almost all moving parts in general. These

stronger parts add a lot of weight, or a lot of

expense, especially if lighter alloys are being used.

The Otto cycle engines are much cheaper to build for

these reasons, although they have long been overtaken

by the turbine engines. For the same displacement

of the engine, Otto cycles will produce more actual

power than a Diesel cycle can, because the fuel

will burn at a much faster rate, allowing more power

strokes per minute than a standard diesel can offer.

What this means, is that less fuel has to be carried.

Additionally, commercial aircraft is normally run

at preset limits, so that Otto cycle engines used

in aircraft don't suffer anywhere near the efficiency

penalties that land vehicles do. Heavy equipment,

such as those used in mining and construction,

almost always uses diesel engines.

Diesel engines are also used with submarines. In

these types of submarines, the diesel engine is run

when the submarine is on the surface, which charges

the batteries that power the submarine once it is


All across the world, diesel engines serve many

different purposes. They are used with almost all

types of heavy machinery, and other vehicles. Gas

isn't the way to go with heavy machinery, as the

engines simply can't withstand the beating.

Diesel has been popular for many years with machinery

and submarines, simply because the engines can

last for years and years. Although they won't offer

as much speed as gasoline, the torque and power is

still there.

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Hydrogen Boosted Gas Engines

(category: Diesel-VS-Gasoline-Vehicles, Word count: 486)
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With the ever increasing cost of gasoline prices,

auto makers are having to work overtime to cost

effictively improve the fuel economy, while still

meeting the strict emission requirements of today

with gasoline engines.

One ideal and promising way to boost the fuel

economy of gas engines is to add hydrogen to the

fuel/air mixture in the engine. Since hydrogen

isn't available at the local gas station, selling

a hydrogen boosted gas engine wasn't on the list

of engines - until now.

Lack of emission

A major cost and environmental advantage to hydrogen

boosted gas engines are low amounts of NOx emission

gas, which will completely eliminate the need for

external NOx emissions control. Currently, NOx

emissions control is a major cost problem for diesel

engines which use expensive traps to meet the

emission standards. Diesel engines particulate

emissions that must be collected by a filter that

should be changed periodically.

Hydrogen boosted engines on the other hand require

neither NOx or particulate control and require only

a low cost oxidation catalyst to control very small

amounts of exhaust which is formed mostly during

the engine starting up and warming up. Additional

cuts in emissions control requirements stem from

the engine's ability to use only the clean hydrogen

enriched charge during the cold start phase when

90% of emissions are generated in the emission test.


The hydrogen boost system is effectively a bolt

on technology that can be added to an existing

vehicle's engine compartment. According to those

developing the system, the cost of the system is

less than half of the added cost for diesel.

The future

Prototype hydrogen boosted engines are now be

installed in test SUV vehicles that have

sufficient space for the reformer and it's related

system. The start of long term road testing

for performance, reliability, and durability

information is planned for later on in the year

before the system goes further into development.

Four cylinder gasoline engines will likely be the

prime candidates for the technology as high gas

prices continue to generate competition among the

higher fuel economy models that seek MPG


With gas prices getting higher and higher, hydrogen

boosted gas engines offer you the chance to get

more miles per gallon and not have to worry about

burning up all of your fuel. Instead of having to

go out and buy a diesel to conserve fuel, hydrogen

boosted units will help you preserve gas.

Even though they aren't available to buy right now,

they will be very soon. Many manufacturers are

looking into them, as they offer gasoline engines

something like never before. If you own a gas

powered vehicle and have thought of giving it up

to go diesel, you might want to think again - as

hydrogen boost units may change the world of gas

engines forever.

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Gas Saving Tips

(category: Diesel-VS-Gasoline-Vehicles, Word count: 312)
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Are you tired of the continuing rise in gasoline price?

If you are, you're not alone. In this article, you'll

find a few excellent tips designed to help you save

a bit of your hard earned money.

First, its always best to purchase your gas either

first thing in the morning or late at night. The

reason for this is because gas is denser at a cold

temperature, so you'll basically be getting more for

your money.

Secondly, check your local gas prices to find the

best price available. You can check your local gas

prices online as well, which will prevent you from

wasting gas while driving around to look for the

best price.

By keeping your car well maintained, you can help

improve fuel consumption. By simply tuning your car,

you can decrease your fuel consumption by up to 20

percent. Also, you should keep your tires properly

inflated and aligned. Tires that are under inflated

will cause fuel consumption to increase by 6 percent.

You should also make sure that you change your oil

and air filters on a regular basis as well.

Other tips to keep in mind are to drive by staying

in the posted speed limits, as the faster you drive

you will use more fuel. Whenever possible you should

use overdrive, as this will help fuel and also

improve the wear on your engine. You can also

combine your errands by making a list of things that

you have to do, as the more you cold start your

engine, the more fuel you'll be using.

By taking the time to do these tips, you'll be

amazed at just how much fuel you can save. Gas

prices are becoming ridiculous these days, which

is why you want to do your part to converse little

drop that you can.

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Diesel Vehicles

(category: Diesel-VS-Gasoline-Vehicles, Word count: 298)
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As you probably already know, diesel engines get

better fuel economy than gas, simply because they

don't need to burn as much fuel as gasoline engines

to get the same amount of power. Diesel engines

are built heavier than gas engines, to help sustain

the added stress of the much higher compression


Diesel engines don't have an ignition system either,

so you'll never have to tune them up. The exhaust

systems will last longer as well, as the exhaust

on a diesel isn't as corrosive as an exhaust on a

gasoline engine.

With diesel engines, it isn't unusual to see them

with 400,000 or even 500,000 miles. There are some

out there that have even went beyond 600,000 miles!

When it comes to maintenance, 3,000 mile oil changes

are a must. Diesel fuel isn't as refined as gas,

so the oil will get dirtier faster. You should

also replace the air and fuel filters at least

once a year.

If you live in a colder climate, you'll need to

switch to a winter blend of fuel to prevent fuel

gelling. There are several additives that you can

put in the fuel as well, to help prevent your fuel

from getting gel.

It's also recommended that you replace the glow

plugs every two years. If the temperature drops

below 10 degrees, a block heater is something you

should have. This will ensure starting in cold

weather, especially with the heavy grade of oil

that a diesel engine requires.

If you take care of your diesel vehicle, you can

count on it to be around for years to come. Unlike

gas vehicles, diesel engines are built for the

long haul, and will last you for miles and miles

if you take care of them.

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Gasoline Credit Cards

(category: Diesel-VS-Gasoline-Vehicles, Word count: 478)
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With gasoline getting more and more expensive, you've

probably found yourself wondering what you can do.

Even with the rising costs of gas and fuel, you

still need it to go places. No matter how you look

at it, you are at the mercy of these prices.

If you own two credit cards, changes are that you

will use one of them to pay for your gas. Gas credit

cards are now starting to shine. There are many

individuals who are planning to apply for a gas

card. Most cards are either issued by a leading

credit card company or by a major retailing gas


Along with that, there are some of the gas credit

cards that give you a great deal like having

discounts on gases such as unleaded, premium, and

others. Gas credit cards also give you an

assurance to have more approved gas bonus.

If the credit card is approved, the owner of the

card will not only save money on gas, but he'll

also get an extra allowance for car equipment and

accessories. Gas cards can also help you save

a bundle on repairs as well.

Keep in mind that there are some things to consider

when you apply for a gas card. When you plan to

apply for a card, the conditions should always be

known. The benefits of the gas credit cards

available should also be studied and researched

in order to compare rates, features, and


As the popularity of gas credit cards continue to

increase, so will the offers. Gas cards also

offer a positive effect for gasoline retailers as

well. The customer will also earn additional

incentives as well. If you plan to stick with

one brand of gas, this card can generate some of

the best rewards.

When looking for the best type of gasoline credit

card, the most important thing to do is review

the terms and conditions. The present status

of the card should also be reviewed in order to

avoid a bad credit record.

There are also several gas credit cards that will

give you extra rewards and point systems. What

this means, is that the card holder can earn

cash back on certain purchases. The more points

you get, the bigger product you can receive.

The ideal purpose of applying for gas credit cards

is to help eliminate the gas expenses. The

credit card should help you to have a deal with

gas expenses. Low interest premium cards can be

the best if you can maintain the proper balance.

The best thing about gasoline credit cards is the

fact that you don't have to pay for them now and

you can just pay later. Just don't forget to pay

the bill, as you could end up getting a bad credit


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