http://www.hybridcars.com/hybrid-reviews maybe this will help...it really did for me
Non-hybrids typically have a lower fuel efficiency than hybrids; Nissan has dropped the 2012 Altima hybrids from it's line, but is sure to redevelop for 2013. Try this site: http://amesnissan.com.
average 24mpg
Automobiles have an average fuel efficiency of around 23 miles per gallon. The specific efficiency will vary depending on the size and type of vehicle.
Hybrids run either on electricity or on fuel.
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Chrysler hybrids have taken the auto world by storm. One of the main reasons that so many people love the Chrysler hybrid is for its sleek style. The design of these hybrids also makes for a much more aerodynamic car that actually contributes to their overall fuel efficiency.
Fuel efficiency will vary depending upon your driving habits. The average fuel efficiency for a Superb AC Schnitzler S3 Cabrio is 18-27 mpg.
The ecological and economical efficiency of a purchasing a hybrid auto cannot be compared to any other car purchase. It seems that - with the rising and unpredictable cost of gas nowadays - fuel efficiency in terms of mileage appears to be at the top of everyone's priority list while shopping for a new vehicle. Auto hybrids are the perfect solution to the gas cost dilemma most people face today.
Depending on the model and manufacture the fuel efficiency of minivan and mid-sized cars can vary greatly. Even more if you include hybrids. Best case would shop around at specific models in each type and then compare their fuel efficiency.
Hybrid vehicles usually have a significantly higher fuel efficiency than conventional automobiles. They typically require less maintenance too. The range of efficiency varies. More information can be found at ConsumerReports.com, including comparisons between hybrids and conventionals.
"The GM car which is rated the best for fuel efficiency and safety is the Chevrolet Cruze Eco. It is considered Hybrid-like, but it doesn't have the higher price that most hybrids have."
If you are looking for more information on are american hybrids good fuel economy and environmentally friendly cars, the best place to look is on www.fueleconomy.gov/feg/hybridtech.shtml