Torque vectoring technology is generally defined as a vehicle’s ability to vary the power to each wheel. Quickly controlling the torque applied to the wheels independently of one another allows the driving characteristics of a vehicle to be improved in significant ways – more stability, more responsiveness and more agility. A conventional differential distributes the… Read more »
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True Super-Hero Tales: Can Tesla survive the new Valley of Death?
Whatever happens next, Tesla made automotive history last week. At last count, the Disruptors of Detroit had received over 325,000 reservations for their new super-vehicle. That’s nearly three times the total number of plug-in vehicles sold in the US last year (116,099), and it’s similar to the annual sales of some of the country’s top-selling… Read more »
Stanford team develops Li-metal anodes
Lithium-metal anodes are the favored solution for next-generation Li-air or Li-sulfur batteries for various reasons, including their high specific capacity (theoretically tenfold higher than graphite). However, safety issues resulting from dendrite formation and instability caused by volume expansion have slowed the development of commercially viable solutions. In “Composite lithium metal anode by melt infusion of… Read more »
NHTSA proposes updating electrical safety requirements for fuel cell and mild hybrid vehicles
The National Highway Traffic Safety Administration (NHTSA) has issued a notice of proposed rulemaking to update electrical safety requirements for hydrogen fuel cell and mild hybrid vehicles. The proposed rule change would add an optional method for post-crash electrical safety into the FMVSS No. 305 standard, involving physical barriers to prevent electric shock due to… Read more »
A closer look at electrolytes in advanced batteries
The electrolytes in advanced batteries are based on incredibly complicated formulations. If you calculated all of the possible combinations of solvents, salts and additives while trying to find the optimal ratios for just one electrolyte formulation, it would add up to an extraordinary number of possibilities. Because it plays such a critical role in battery… Read more »
6 EV infrastructure lessons we can learn from Norway
“When you get off the plane in Oslo, Norway, it is like entering fairytale land for people in the EV industry,” says Rami Syväri of charging network operator Fortum. Thanks to hefty government incentives – including zero import taxes, charging incentives and bus lane access – Norway has quickly catapulted its EV market from early-adopter… Read more »
GM releases technical overview of Cadillac CT6 PHEV propulsion system
GM execs have released a preview of three detailed papers on the new plug-in hybrid propulsion system for the Cadillac CT6 (due to go on sale in China in 2016) that will be presented at the SAE World Congress in April (via Green Car Congress). The CT6 powertrain features a number of innovations, and a high… Read more »
Second life: Spiers New Technologies develops advanced battery classification techniques
Spiers New Technologies (SNT) is just over a year old, but its founder has been focused on developing the market and technology for secondary-use batteries as long as anyone in the business. Dirk Spiers is one of the more passionate figures in the EV industry. Like many entrepreneurs, he seems to have a clear view… Read more »
Why don’t EV-makers offer battery upgrades?
If you buy an EV this year, chances are next year’s model will offer a slightly better battery for the same price. As a result, resale values for most EVs are terrible (or wonderful, if you’re looking to buy a used car). Three-year-old Nissan LEAFs are going for around a quarter of their original MSRPs…. Read more »
Lithium X acquires potential lithium lode in Nevada
The business of prospecting for lithium is still tiny compared to the worldwide oil exploration industry, but some companies are already buying up tracts of land that may contain motherlodes of the light white stuff. The lithium exploration and development company Lithium X Energy has announced its acquisition of the CVL Lithium Property in Nevada’s… Read more »