E-bikes encounter rocky road to approval despite popularity

Gordon Goodwin and his wife are rediscovering their passion for bicycling in their senior years thanks to new electric-assist bikes. The electric motors provide a gentle kick, making it easier for them to pedal up hilly roads ...

Paris city bikes go electric

Ten years after Paris launched the wildly popular Velib bicycle-sharing scheme, the grey two-wheelers that have spawned imitators worldwide are getting a makeover.

More cycling with e-bikes

According to a new study, electric bikes make people cycle longer and more often. The effect is best on women.

Tin nanocrystals for the battery of the future

(Phys.org) —More powerful batteries could help electric cars achieve a considerably larger range and thus a breakthrough on the market. A new nanomaterial for lithium ion batteries developed in the labs of chemists at ETH ...

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