they arn't
If you are looking for more information on What are the best energy efficient cars, the best place to find the information is on www.consumerreports.org Best & worst cars review.
Not all cars are in need of being more efficient depending on what standpoint this is considered. Hybrids, relatively speaking are very efficient cars.
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.
Energy efficient cars are cars that gives you the most amount of travel for each unit of fuel that they use. The difference from conventional cars is that they give you more travel per unit of fuel than conventional cars do.
The most energy efficient car available is the Toyota Prius. Please see the following, for additional information: www.thesupercars.org/top-cars/most-fuel-efficient-cars
well, i think that the answer to your question is yes the honda fc sport is energy efficient. but i may be wrong
Several major auto manufacturers now have hybrid cars that are energy and gas efficient. Popular brands include the Toyota Prius, Honda Civic Hybrid, Chevrolet Volt and Ford Fusion.
most cars aren't ENERGY efficiant but some are GAS efficiant.
more fuel efficient cars
Electric cars generally have more efficient engines than petrol cars. Electric motors convert over 60% of electrical energy from the grid to power at the wheels, while internal combustion engines in petrol cars typically convert only about 20% of the energy stored in fuel into usable power. Additionally, electric vehicles benefit from regenerative braking, which further enhances their efficiency. Overall, electric cars are more energy-efficient and environmentally friendly compared to petrol cars.
Hybrid cars are really starting to take off as an energy efficient and 'financially efficient' vehicle. The website at cars.com has an extensive supply of information on such things as price, look, fuel efficiency etc.
A very informative website with valuable information regarding your question would be http://www.consumerreports.org/cro/cars/new-cars/buying-advice/most-fuelefficient-cars/overview/index.htm