Electric bikes, and really all electric vehicles, have one major downside: the weight and cost of batteries. Even with lithium, battery packs for ebikes can easily weigh more than the bike itself and ...

[mircemk] has been working on wireless power transmission. Using a Class-E Tesla coil with 12 turns on the primary and 8 turns on the secondary and a 12 volt input he can send a few milliwatts to ...

Tesla has patented a wireless EV charging system, indicating that the company is preparing to commercialize tech that's been hinting at for years as a possible addition to its electric vehicles. A ...