Britain is stepping up its plans to be a leader in self-driving cars. The government is awarding 25 million pounds ($33 million) this week to as many as six projects that will research and test autonomous vehicles on highways and on trials of remote-control parking.

Cie. Maritime Belge SA has built the first commercial ship that runs on hydrogen and produces zero pollution, taking the world a step closer to cargo without emissions.

The trillion-dollar global shipping industry may soon be forced to curb greenhouse gas emissions under new rules backed by the European Union and China.