New model marks the 4 Series Convertible's move to electric power, likely using the i3 saloon's tech
Some of the fastest cars on the planet are now powered by electricity. These are the best ones right now
US firm 24M reveals tech that hugely increases a battery's usable capacity – and it's ready for production
EV-specific tyres can make a big difference to range; this is how they work
Horse's D20 powertrain uses power-dense axial-flux electric motors to save space and boost efficiency
View all car reviews
