), and they play a crucial role in determining its range, performance, and efficiency. These batteries are designed to store and supply electrical energy that powers the car's electric motor.

An electric bicycle—it's a regular bicycle, but with a motor on it! There are enough moving pieces on these personal mobility vehicles to make buying one confusing. Even if you're pretty sure you know ...

Electric powertrains are simpler than internal combustion engines, but they’re no less impressive when it comes to the technical wizardry that helps you go places. Batteries, of course, are at the ...

We’ve long-admired internal combustion engines for their power density pursuits. Extremely high horsepower-to-liter ratios for naturally aspirated cars like the Honda S2000, Ferrari 458 Speciale, or, ...

Battery-electric vehicles, or BEVs, are increasingly all over the place. Heck, the bestselling car in the world (the Tesla Model Y) is electric, and in certain parts of the world, you can't stroll ...

The marine-power landscape is changing quickly, thanks mainly to advancements in motors—especially electric motors, batteries, operating software and charging equipment. Electric marine propulsion is ...

There's no replacement for displacement. An adage that's been around as long as the combustion engine, really. But these age-old sayings don't really apply anymore when it comes to electric motors.