Energy & Green Tech

VW ditches natural gas to focus on e-cars

Volkswagen on Monday said it will stop developing natural gas-fuelled cars as the German auto giant bets on electric engines in the battle to woo climate-conscious drivers.

Computer Sciences

Bug-repair system learns from example

Anyone who's downloaded an update to a computer program or phone app knows that most commercial software has bugs and security holes that require regular "patching."

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