Most Fuel Efficient Vehicles
Most efficient overall - Honda Insight hybrid
With 60 mpg city and 66 mpg highway, the Honda hybrid
has top honors as most fuel efficient in the United
States. With a 1.0 gas engine mated to an electric
motor, the insight was designed to make the most
of the power by using low resistance tires. The
bad things about the Insight include a cramped
interior, seating for two, and a very odd styling.
Fuel efficient mid size car - Toyota Prius hybrid
(60 mpg city and 51 mpg highway)
The Prius, unlike the Honda Insight, is capable of
carrying 5 people plus their gear. The Prius will
generate a total of 110 HP from its gasoline engine
and electric motor. The sleek shape to the Prius
has a low co-efficient drag although Toyota has
managed to do this with a larger, yet more driver
friendly vehicle than the Insight of Toyota.
Most efficient compact car - Honda Civic hybrid
(49 mpg city and 51 mpg highway)
With a reputation of being the cheapest hybrid in
North America, the Civic hybrid takes the great
design of the regular Civic and makes it a lot more
efficient. With an output of 110 HP, the Civic
hybrid is very competitive for the class.
Most efficient sub compact car - Volkswagon diesel
(37 mpg city and 44 mpg highway)
The Volkswagon Beetle diesel is ahead of even the
sub compact hybrids. Making 100 HP, the Beetle
diesel may not sound that powerful, although the
177 lb-foot of torque will put shame on every
other vehicle in the same class.
Most efficient station wagon - Pontiac and Toyota
(30 mpg city and 36 mpg highway)
The Pontiac Vibe and Toyota Matrix are both the
result of a joint venture of Toyota and General
Motors. Both vehicles come equipped with Toyota
engines, although a lot of the design and
engineering came from General Motors. Both the
Matrix and the Vibe are versatile with active
lifestyles. With a fuel efficient 1.8L 4 cylinder
that produces 126 HP, the Matrix and the Vibe
aren't going to win a street race although they
make up for it with smoothness, efficiency, and
Most efficient large car - Hyundai Sonata
(24 mpg city and 34 mpg highway)
The Sonata is a major surprise, beating out very
stiff competition. The 2.4L 4 cylinder engine is
very smooth, responsive, and powerful. The
suspension however, is soft, and geared more
towards comfort than handling. This isn't a BMW,
although the build quality is great, clearly
demonstrating that Hyundai is no longer a second
Gas Trucks Versus Diesel Trucks
If you plan to use your truck like a car, desiring
quick, quiet acceleration and rarely ever haul a
heavy load and don't plan to it for a long time,
you may want a gasoline engine. Gas engines run
smoother, fuel is easier to find, and gas
engines start easier in cold weather.
If you plan to use your truck for towing, value
good fuel economy and plan to put plenty of miles
on it, you may want a diesel. The price to buy
a diesel truck is really high, although they can
offer you a lot in return.
Below, you'll find the leading vehicle manufacturers
and what they offer you.
The 2500 and 3500 Dodge Ram Heavy Duty trucks are
the newest 3/4 and 1 ton trucks on the road. Back
in 2002, the Ram didn't have enough power with
the 245 HP 9.5L. Dodge promised more powerful
engines for the 2500/3500 platform and they
delivered on that promise.
The new base engine is the 5.7L gasoline V-8
that's not only the most powerful engine of the
group at 345 HP but also revives the well known
and historical Hemi name.
Ford helped push the 3/4 ton and 1 ton truck
market to where it is today when it introduced
it's international engineered power stroke
diesel back in 1994. Before 1994, these diesels
were poorly built and no match for the big
inch gasoline engines.
From 1994 to 2002, over 70% of super duty Fords
were sold with the optional 7.3L V-8 diesel
engine. This engine helped to put Ford among
the leaders in diesel trucks, as they had more
than they needed to dominate the market.
The GM 2500/3500 twins Silverado HD and Sierra
HD both come standard with GM's 6.0L gas engine
V-8. This engine is ideal for 3/4 ton trucks
where towing isn't a concern. The upgrades
start with the 8.1L gas V-8 that's based on
Chevrolet's venerable big block engine.
Over the years, diesel trucks have proven to be
effecient with mileage, great for towing, and
easy on maintenance. Unlike gas engines, diesel
engines do not have spark plugs, which means
you won't need to get them tuned up near as
much as gasoline engines.
For those who like to haul heavy loads on a
frequent basis, diesel is the way to go. You
can get quite a few miles per gallon, and
diesel trucks are built to go 250,000 miles or
more before the engine needs to be rebuit,
making them a purchase that is more than worth
Diesel And Gas Prices
Over the years, the prices of both gas and diesel
have experienced some drastic changes. Many years
ago, the price of gas was around a dollar or a
little more, nothing like it is today. Back then,
gas wasn't high in price although the demand for
vehicles wasn't what it is today either.
As the demand for vehicles grew, the demand for
fuel grew as well. Other actions and events have
played into the equation as well, resulting in
the rising costs of fuel. Fuel is something we
all need to run our vehicles, as we wouldn't be
able to go anywhere without it.
As you may know, a majority of the gas we get at
local gas stations comes from overseas, primarily
the Middle East. Therefore, we have to pay taxes
and such on the gas we use, which pays for the
gas as well as the shipping. If we got our gas
from within the United States, one can't help
but wonder whether or not the prices would indeed
Diesel on the other hand, has always managed
to keep a price lower than gas. Diesel comes
from within the United States, so the prices are
of course going to be lower. The only problem
associated with diesel fuel is locating it, as
many gas stations don't sell it.
When it comes to the choice between the two,
diesel fuel is obviously cheaper to buy. Gas is
in supply more, which means that you can find
it almost anywhere. If you own a gasoline
vehicle, you obviously don't want to put diesel
in it. If you own a diesel vehicle, then you
of course wouldn't want to put gas in it either.
Diesel Fuel Quality
The designs of diesel engines striving to increase
performance have made a lot of advancements in engine
fuel delivery to the combustion chamber. The diesel
engines of today are much quieter, smoother, and
also more powerful. The quality of diesel fuel on
the other hand has not advanced at the same rate as
the improvements of engines.
As soon as it is produced, diesel fuel begins to
deteriorate. Less than 30 days of refining, all
diesel fuel, regardless of the brand, goes through a
natural process called oxidation. This process forms
varnishes and gums in the fuel by causing the
molecules of the fuel to lengthen and start bonding
Now, these components will drop to the bottom of the
fuel tank and form diesel sludge. The fuel will
begin to turn very dark in color, smell bad, and
cause the engine to smoke. The engine starts to
smoke as some of these clusters are small enough to
pass through the engine filtration and on to the
As the clusters begin to increase in size, only a
small amount of the molecules will get burned, as
the rest will go out the exhaust as unburned fuel
Its estimated that eight out of every ten diesel
engine failures are directly related to poor quality
and contaminated fuel. The build up of contamination
in the fuel systems and storage tanks can clog
filters, thereby causing the engine to shut down,
and damage to the engine to occur.
The number one reason for bad fuel is due to the
increasing popularity of diesel power and the
accompanying increased demand for more diesel fuel.
Long ago, diesel fuel remained in the refinery
storage tanks long enough to naturally seperate and
begin to settle, allowing the clean fuel to be
drawn apart. Now, with the demand getting higher
than ever, the fuel is never stationary long enough
to settle, and the suspended water and solids are
passed on to the person buying the fuel - you.
The changes in refinery techniques is also a
problem. In order to get more products, diesel
fuel is being refined for more marginal portions of
the crude barrel. This results in a lower grade
product that is thicker and also contains a lot
As time continues to pass and technology gets better
and better, one can only hope that the quality of
diesel fuel improves. As it stands now, the quality
isn't good at all. If you run diesel fuel, all
you can basically hope for is that the fuel you
are getting isn't contaminated.
Gas Vs Diesel Boats
As you may know, diesel engines aren't something
you should take lightly. There are good reasons
why the rush to put them in cars back in the 70s
flopped. Diesel isn't the ideal power source for
Diesel engines gained the reputation for long
service life early on in the history of the
engines, mainly from engines that were used in
commercial operations. These were big, very
slow to turn engines that were usually in the
600 - 1,000 RPM range.
The long service life of the diesel engine isn't
really a myth when used in the proper application.
It's only a myth in pleasure craft, where the
engines are operated in-frequently at high and
low speeds, normally under very heavy loads and
If you plan to engage on some serious long range
travel, especially if fuel stops aren't available,
then fuel consumption will become an issue.
Diesel engines will normally burn 1/3 to 1/2 the
amount of fuel as their gas equals. Considering
the cost of the engines versus the amount of
fuel you'll burn during the time you own the
boat, fuel savings isn't really important.
Most questions of choice arise for boats that
are in the 28 to 34 foot range where either type
of engine is available with adequate horsepower.
Gas engines do have the advantage that they are
cheap to buy and also cheap to repair.
Diesel boats are just the opposite, as for the
price of one you could buy three gas engines.
For the price of a smaller in-line 6 cylinder
diesel, you can buy two gas engines.
Therefore, cost wise, unless you really need
diesel power, diesels aren't very practical.
The advantage to diesel comes only at the
point where the extra torque is needed because
a gasoline engine would simply be under too
much strain to have an adequate amount of
If you have a choice of gas versus diesel,
your first concern should be to determine
whether or not you can really afford to own a
diesel, as the initial price is only part of
If you simply can't afford to write a big check
for routine maintenance, then you will probably
be better off going with gas. On the other hand,
if you have a lot of money, diesel would be
your best bet. Diesel engines are great to
have, although they cost a lot of money to
up keep and they generally aren't the way to go
for those on a budget.
Gas Saving Tips
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
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
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.
Diesel Versus Gasoline
A diesel engine will go much farther on a gallon
of fuel that the standard gasoline engine
because of their designs, and due to the higher
energy density of a gallon of diesel fuel. But,
it also takes a bit more oil to manufacture a
gallon of diesel than a gallon of gas, with
the production and refining processes for
diesel producing more gases that trap heat.
Therefore, when you consider the relative merits
of deisel and gas cars, try knocking the MPG
estimates for the diesel car down by 20 percent.
A diesel vehicle will cost you a bit more,
so you'll get more bang for your buck from a
The nasty rumors you hear about diesel are
true as well - diesel is less refined than gas,
or in other terms it's dirtier. Diesel
vehicles also emit more particulate matter and
NOx, both of which are serious health hazards
and air pollutants. Current diesel engines are
more polluting per each mile they are driven
than gas engines.
Using biodiesel on the other hand, will improve
this situation. If biodiesel is available in
your area, you'll still need to examine
whether a diesel is the right vehicle for you.
When you consider the facts, you have to ask
yourself which models you can afford, what is
the MPG, will engine be succifient for you,
and the number of passengers the vehicle will
accommodate. Then, given your budget, you can
go from there.
There are numerous gas and diesel vehicles
available, all you have to do is decide which
one is right for you. If you research carefully,
you'll have the perfect vehicle for your entire
Diesel Engines And Well Known Gas
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
1. Due to the higher compression ratios,
diesel engines tend be heavier than the equivalent
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
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.
Advantages Of Diesel Engines
If you've owned a diesel powered vehicle in the
past or if you own one now, you no doubt appreciate
the qualities this engine provides you with. More
torque, better fuel economy, and easier maintenance
are but a few of the attributes of owning diesel
However, there are some motorists that still
complain about the engine's weak power, especially
when accelerating from a full stop. What you
may not be aware of is the fact that a diesel
engine can be tweaked to give more power without
harming the fuel economy.
Diesel engines use air compression to create
combustion versus the fuel/air mixture that is
required by gas engines. This attribute means
that diesel engines don't require spark plugs
and therefore don't need to be tuned up.
Diesel fuel has a much high fuel density than
gas, which results in fuel economy increases
of 20 - 30% over gasoline powered vehicles.
Diesel engines are also cheaper to maintain as
they have less parts than that of a gasoline
powered engine. The life span of a diesel
engine is also much longer.
If you're looking for torque, for pulling a
boat or other equipment, then the diesel
engine has the supreme advantage. Diesel
engines are surely slower, especially when
starting from a dead stop, although when you
climb hills or go over bridges, the diesel
engine is surely up to the task.
With trucks, diesel is normally the leader
over gas engines in terms of performance and
miles per gallon. Diesel trucks will get
more miles than gas trucks, and the price for
diesel is a bit cheaper than gas these days.
And with gas prices on the rise, diesel will
continue to dominate for a long time to come.
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