Bidirectional charging is the next big stage for electric vehicles. But storing power in your car and sending it back to your house involves more than flipping a switch.
A decade ago, solar power was a tiny sliver of the US energy supply. Today it’s expanding rapidly – and the Biden administration wants to make it much, much bigger.
Heat pumps are the technology of choice for heating and cooling buildings more efficiently and with fewer carbon emissions than furnaces and air conditioning.
From its roots as an electric version of snake oil, by the 1930s vibrators were just another household electric appliance that could soothe your pains at the end of a long day.
The world runs on energy, so finding low-emission alternatives to fossil fuels is crucial. Wind and solar are cheap and abundant but can’t do everything. But hydrogen fuel could complete the picture.
Democratic candidates are keen to burnish their climate credentials by calling for grand electric vehicle plans. But there are both economic and political reasons for going slowly.
Electric cars gets lots of attention, but in the developing world, electric two-wheelers have the potential to spread quickly – if batteries continue to improve on performance and cost.