BorgWarner Inc. is supplying Tesla Motors Inc. with an advanced single-speed gearbox for use in the Tesla Roadster electric sports car. Tesla says the transmission provides 30% greater torque and 10% improved range vs. the original gearbox launched in the Roadster earlier this year. Torque has been increased to 280 lb.-ft. (380 Nm) from 211 lb.-ft. (286 Nm), while range is extended to 244 miles (393 km) from 221 miles (356 km), Tesla says. Ricardo plc forms the Global Hybrid Product Group ...

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