A miles per kWh figure is used to calculate electric car efficiency. Understanding and comparing these numbers could save you ...

Can you help me with the real-world range I can expect from the standard and Pro version of the MG Windsor? Is the Pro worth ...

Off-grid and microgrid company BoxPower has unveiled a new LFP battery that is assembled in California. The ABX‑110‑BABA also ...

Armed with 50 cents a kilowatt hour, her company ran an analysis of the numbers, and concluded that a Think City (a small, two-seat battery car) would still be operated at 12 cents a mile, versus ...

The kilowatt hour, or kilowatt-hour, (symbol kW·h, kW h or kWh) is a unit of energy equal to 1000 watt hours or 3.6 megajoules. For constant power, energy in watt hours is the product of power in ...

Powered by the same 111 kWh battery as the Dual Motor Polestar 3, the entry-level version features a single 295 hp (220 kW) ...

The kWh tells us nothing about when energy is used, she says, while alternatives like the kilowatt-hour at peak time (kWhaPT) or the kilowatt-hour outside peak time (kWhoPT) have not caught on.