This electric bicycle company is building a $5,000 electric motorbike

Electric motorcycles, like electric cars, have been more expensive than their gasoline-powered cousins. Sondors hopes to change that with its new Metacycle. [credit: Sondors ]

It’s unavoidably clear that staving off the worst extremes of climate change will require a wide-scale electrification of our vehicle fleet. There’s a hitch, though—it’s not cheap. We have the technology to make electric vehicles, and it’s getting better all the time. But as of right now, the bill of materials for an electric car is still higher than for an equivalent vehicle with an internal combustion engine, even with impressive reductions in the cost of lithium-ion

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Pollutionwatch: how smart braking could help cut electric car emissions

Extra battery weight of electric cars means ways must be found to cut particulate emissionsYou would think that battery electric cars, having no exhaust pipes, would emit less air pollution than diesel and petrol vehicles. A controversial study in 2016 said particle pollution from electric cars would be worse. Due to battery weight, electric cars are about 200-300kg heavier than comparable-size cars that burn oil-based fuel. More weight means more particle pollution from the wear of brakes, tyres and roads. This could offset the absence of an exhaust.New analysis by the University of Birmingham, suggests that regenerative braking, where the electric motor slows the car, should mean electric vehicles are less polluting in urban areas. A study in Los Angeles found that brakes on electric cars are used for about one-eighth of the time of those on oil-fuelled cars. However, the extra weight of electric cars means they are likely to emit more particle pollution on high-speed motorways. Continue reading…

New copolymer binder to extend the life of lithium ion batteries

Anyone who has owned a smartphone for over a year is most likely aware that its built-in lithium (Li)-ion battery does not hold as much charge as when the device was new. The degradation of Li-ion batteries is a serious issue that greatly limits the useful life of portable electronic devices, indirectly causing huge amounts of pollution and economic losses. In addition to this, the fact that Li-ion batteries are not very durable is a massive roadblock for the market of electric vehicles and renewable energy harvesting. Considering the severity of these issues, it is no surprise that researchers have been actively seeking ways to improve upon the state-of-the-art designs of Li-ion batteries.