NAFTA negotiators aim for 'ambitious' start to talks

Negotiators from Canada, Mexico and the United States are aiming for an "ambitious" first round of trade talks, a senior U.S. official said on Tuesday, as the countries try to fast-track a deal to modernize the 23-year-old pact by early next year.


Why the natural-gas car revolution sputtered out

The idea was nothing short of revolutionary: Convert the nation's millions of trucks, buses and other commercial vehicles to run on natural gas instead of gasoline and diesel.

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