How to fund roads and ensure electric vehicles pay their share

Since electric vehicles use no gasoline, their drivers pay no gasoline tax. And as more people drive EVs, gas-tax revenue for road repairs is dwindling. So how can California and the rest of the country avoid road-funding ...

Shared autonomous vehicles have uncertain effects

The next revolution in transportation is expected to be shared autonomous vehicles, with personal cars yielding to driverless cars summoned on demand. For instance, Uber passengers in San Francisco, Pittsburgh and Phoenix ...

As Europe talks tough on climate, data show emissions rose

A new report showed greenhouse gas emissions in the European Union rose in 2015, the first increase since 2010, even as European officials on Thursday urged the United States to remain part of a global climate pact.

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