Being a hybrid or fully electric car makes a car quite efficient. Also a lot of factors determine how much fuel effienciency a car has. Such as weight, tire pressure and speed.
"Most Volvo cars are fuel efficient because Volkswagon makes cars that get excellent gas mileage. They are also smaller than normal cars, and that makes them good too."
In a basic way, but fuel efficient cars usually refers to gasoline or diesel cars that get great mileage per gallon, energy efficient refers to any vehicle including hydrogen, electric, and hybrid.
There are a variety of prices as there are many different kind of cars. However if you think about $27,000 to $35,000 you would be in the ballpark.
http://www.fueleconomy.gov/feg/best/bestworstnf.shtml is the government website for fuel rankings and this is the direct link to the list of the most fuel efficient cars!
There are several places you can look online to find a list of the most fuel efficient cars. Check FuelEconomy.gov, they have a pretty extensive list. CNN recently did a story on the eight most fuel efficient cars. Check out their report.
The following link will take you to a site that lists the best--and worst-- fuel efficient cars. www.fueleconomy.gov/feg/bestworst.shtml
The Nissan Leaf and the Chevrolet Volt are rated among the best of fuel efficient cars. Additional information is available at the following: www.thedailygreen.com
A car has to be fuel efficient. It means it has to completely burn the fuel.
The beetle is a fuel efficient car. 25 in the city and 32 on the highway makes is fuel efficient.
BMW and Ford are the best from what I have read. Most of the big ones now have good fuel efficient cars though. Check out www.motortrend.com for more information.
Some of the most fuel efficient cars are the smart cars like 2013 Smart ForTwo, Honda Fit EV, and the Scion iQ. These cars are electric so the fuel they use is used to create the electricity they run on.
Almost all the Japanese cars! ;D