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.
The newest in ceiling fan technology, DC motors are the most energy efficient and best way to save money on your power bill. Ceiling fans with DC motors use on average less than 1/3 the electricity of a ceiling fan that uses a traditional motor. Also, they typically produce more cubic feet per minute of airflow than traditional ceiling fans, thus giving them a three to four times more airflow efficiency, according to EPA (Energy Protection Act) standards.