11.   US car makers are under increasing pressure to develop electric vehicles.

12.   Japanese manufacturers are also researching electric vehicle technology.

13.   Although electric vehicles also have zero tailpipe emissions, many get their juice from coal-fired electric plants.

14.   Although many automakers have made electric vehicles for a couple of years now, only General Motors and Honda have made them available to the public.

15.   American Honda and Ford Motor Co. said the network will help extend the range of electric vehicles.

16.   And electric vehicles should be more durable generally, with no transmissions, mufflers, spark plugs and other parts that are prone to wear out.

17.   And a company called Zapworld with headquarters in Sebastopol, Calif., has five outlets that rent electric vehicles, some of them only in warm weather.

18.   And how would automakers manage that without electric vehicles or other experimental technologies?

19.   And the politics of ozone containment are likely to get a lot rougher, as states require auto companies to sell expensive, inconvenient electric vehicles.

20.   And while GM used a futuristic teardrop-shaped car to demonstrate that electric vehicles can pack a punch, Honda opted for a practical approach.