Energy & Green Tech

Renewable energy puts power grids to the test

To transition away from fossil fuels and towards renewables—which are intermittent by nature—we'll need to rework our entire system of power storage, transmission and distribution. Yet experts haven't yet found the right ...

Automotive

Ford profits tumble on higher costs, hitting shares

Ford shares tumbled Wednesday after the automaker reported lower than expected profits on higher costs connected to product launches and warranty repairs for older model vehicles.