American AI is usually American Airlines, and usually appears because of a baggage fee paid at the airport, or a purchase made during a flight. posted 09/11/2012 Helpful (4)
Electric motors are in general, a lot more efficient that internal combustion engines. An average combustion engine has about 18â20%. A formula one engine, has about 50% of an efficiency.
While a small SUV crept into the top ranks this year, seven of the Most Satisfying vehicles are either fuel-efficient (Chevrolet Volt), performance oriented (Porsche Boxster & 911, Ford Mustang V8, Chevrolet Corvette, Dodge Charger V8), or both (Tesla Model S).