11.   The driver just steps on the fuel pedal and is oblivious to what is powering the car.

12.   The people who do manage to get a car powered by electricity or compressed natural gas on the road face other annoyances.

13.   You power your car up the hill and hang the first left after that.

14.   Penske Dallara cars were powered by Oldsmobile engines produced by Ilmor, a company partially owned by Penske and which did not begin building IRL motors until February.

15.   A fuel cell is an electrochemical device that combines hydrogen fuel and oxygen from the air to produce electricity that can power a car.

16.   At low speed, it runs on electricity but once it shifts into a higher gear, the car is automatically powered by gas.

17.   Batteries needed to power electric cars would necessarily be much larger, containing much more lead.

18.   Benetton will now have Renault engines to power its cars after using Ford last year.

19.   Ferrari announced Wednesday that it had released Morbidelli so that he can join the Swiss-based Sauber team, whose cars are powered by Ferrari engines.

20.   Fuel cell cars are powered by electricity produced by means of a chemical reaction between oxygen in the air and hydrogen stored in the car as fuel.