Xtrac’s new P1227 gearbox family was developed to address the growing demand for single-speed, lightweight EV transmissions. It can be integrated with motors from BorgWarner, GKN and YASA, all of which worked with Xtrac to integrate their technologies into the transmission. The P1227’s dual electric motors provide inherent torque vectoring capabilities, and the system is… Read more »
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Electric torque vectoring: A motor for each wheel or a single-motor-clutch system?
In February, engineering firm GKN Automotive announced a new torque-vectoring option for electric drive called eTwinster. Torque vectoring technology is generally defined as a vehicle’s ability to vary the power to each wheel. To quickly control the torque applied to the wheels independent of one another – increasing stability, responsiveness and agility – GKN’s new… Read more »
Bolloré’s electric Bluecar, with novel solid-state batteries, coming to London
Electric car-sharing service Autolib has become a hit in Paris and two other French cities since its 2011 launch, and now boasts a fleet of over 3,500 EVs. Corporate parent the Bolloré Group also has a fleet of electric Bluebuses operating on Parisian streets, and has been working on bringing electric car sharing to Indianapolis… Read more »
NHTSA closes investigation of Model S fires, Tesla installs new shield for battery pack
The National Highway Traffic Safety Administration (NHTSA) has closed a three-month investigation of the Model S fire incidents, as Tesla announced a design change to better shield the car’s battery pack from road debris. Shortly after the fires, Tesla made a software update that raised the ride height of the Model S to reduce the… Read more »
Consortium to test multi-ratio EV transmissions in Range Rover Evoque
The Range Rover Evoque compact SUV will be the platform for a £16 million research program supported by the UK’s Technology Strategy Board. The Evoque_E program will investigate the benefits of high-speed motors and multi-speed transmissions for hybrid and electric vehicles. The project will build three development vehicles based on Land Rover’s new Range Rover… Read more »