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Race for battery breakthroughs

While lithium-ion battery chemistries continue to improve rapidly, a number of rival technologies and their developers are tantalising the EV industry with promises of much higher energy densities, but always with a caveat or two in other critical areas (writes Peter Donaldson). Some of these technologies represent improved...

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How Clean are EVs

There’s no doubt that EVs are much cleaner and friendlier to be around than anything powered by an internal combustion engine, as they produce no local emissions (writes Peter Donaldson). They also use energy more efficiently in stop-go traffic, particularly when fitted with regenerative braking systems. Even petrol-diesel electric hybrids allow the engine to be...

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Hydrogen fuel cells

There is something of an ongoing debate in the world of e-mobility as to hydrogen’s place in the energy ecosystem (writes Lawrence Butcher). While manufacturers such as Toyota are throwing their weight behind the fuel, and actively marketing fuel cell electric vehicles (FCEVs), others such as...

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The Gradual Evolution

After a promising start in the closing decade of the 19th century, the development of electric road vehicles – and to a lesser extent, the adoption of electric power in other spheres of transport – has been a slow process (writes Lawrence Butcher). The main stumbling block has been the means of storing or generating electricity. Range has always been a challenge, with battery technology lagging behind the...
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