To some extent, China is making a virtue of a liability. It is behind the United States, Japan and other countries when it comes to making gas-powered vehicles, but by skipping the current technology, China hopes to get a jump on the next.

Japan is the market leader in hybrids today, which run on both electricity and gasoline, with cars like the Toyota Prius and Honda Insight. The United States has been a laggard in alternative vehicles. G.M.'s plug-in hybrid Chevrolet Volt is scheduled to go on sale next year, and will be assembled in Michigan using rechargeable batteries imported from LG in South Korea.