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Tesla Roadster Sport announced

The Tesla Roadster Sport will be available from the summer, for around €112K, and claims a 0-60 time of 3.7 seconds, a 0.2 improvement on the existing Tesla Roadster. The extra power comes from fiddling with the stator in the motor and an increased winding density for less resistance (I’m sure that must make sense if you understand Electric Motors – I’m still stuck on the internal combustion engine – must keep up!). The Tesla Roadster Sport also gets Yokohama Ultra High Performance tyres and some suspension tweaks.

Fisker, Energy Department face tough Congressional hearing on federal loans

Struggling Fisker Automotive took a bludgeoning Wednesday on Capitol Hill from top congressional Republicans who compared Fisker to failed automotive startups of the past and lambasted the Department of Energy for allowing the electric-car producer to draw down nearly $200 million in taxpayer-funded loans. House Oversight Chairman Darrell Issa, R-Calif., told Fisker founder Henrik Fisker that he will be remembered fondly for his design work for BMW and Aston Martin. But he compared Fisker to Malcolm Bricklin, John DeLorean and Preston Tucker -- three entrepreneurs known for their failed startup car companies.

Nissan upgrades the Versa engine to add mpg

The redesigned Versa sedan that reaches Nissan showrooms later this summer will post a 30 city/38 highway mpg rating, up from the current model's 28/34 rating. The Versa still has a 1.6-liter four-cylinder engine, but the 2012 model gets a dual-fuel injector system, the first U.S. application of the Nissan technology.