Device provides years of power through temperature swings
You wouldn't need a battery to run gadgets around the clock.
Americans are using less energy by staying at home
Online shopping and working from home are cutting down on trips.
Nearly all new US electricity capacity was renewable in 2017
However, that's partly because fossil fuel plants are dying.
Renewable energy outstripped coal use in the UK for most of 2017
But gas is still being heavily relied upon.
Apple says slower performance of older iPhones is intentional
The company extended iOS code that prevent sudden battery shutdowns to newer devices this year.
MIT is redesigning power converters to make the grid more efficient
This new design could benefit everything from electric cars to data centers and huge power grids.
Cigarette butts could be reborn as green energy storage
But that doesn't mean smoking is good for the planet.
World’s first floating wind farm powers up in Scotland
Hywind Scotland is capable of generating enough energy to power 20,000 homes.
Coal power plant closures ramp up in spite of White House plans
Three Texas closures suggest coal isn't coming back any time soon.