1.   Amtrak contends that by using electric engines rather than diesels and by getting people out of planes and cars, the new trains will cut air pollution.

2.   It will have the distinction of eliminating a long wait in New Haven to switch from diesel to electric engines.

3.   It, too, will be available with an electric engine, as an option.

4.   Others are working on hybrids, a combination of a small internal-combustion engine and an electric engine.

5.   Propelled by electric engines, it would be quieter than existing ships.

6.   Still, mass production of the hybrid means further improvements in electric engines, paving the way for a pure electric car if better batteries become available.

7.   The boat will be outfitted for cruising, with a solar-powered electric engine instead of a diesel.

8.   The current tests involve measuring the power of a modernized locomotive by pitting it against two electric engines in a tug-of-war.

9.   The Prius and its counterpart Honda hybrid, the Insight, use both gasoline and electric engines for power.

10.   The three companies together will intensify existing research efforts on basic fuel-cell technology and electric engines that can be linked to the cells.