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.
All-electric vehicles (EVs) run on electricity only. They are propelled by one or more electric motors powered by rechargeable battery packs. EVs have several advantages over vehicles with internal combustion engines (ICEs): Energy efficient. Electric vehicles convert about 59%â62% of the electrical energy from the grid to power at the wheelsâconventional gasoline vehicles only convert about 17%â21% of the energy stored in gasoline to power at the wheels.