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In hindsight, Musk wouldn't use Lotus for Tesla Roadster

The world will be a different place after Elon Musk builds a time traveling device (don't ask us how we know that will happen). For one thing, the Tesla Roadster of the rewritten future will not have been built using the chassis of the Lotus Elise. Also, verb tenses will be becoming even more confusing and, possibly, awkward. "We ended up changing most of the damn car" – Elon Musk We know about the not-using-the-Lotus thing because the Tesla Motors CEO said as much yesterday at the World Energy Innovation Forum at the Tesla Factory in Fremont. The two-day event, which also offers Model S test rides and a factory tour for attendees, featured a fireside chat with the electric automaker's CEO and Ira Ehrenpreis. During the discussion, Musk revealed that if he had to do it over again, he would have built the Roadster from the ground up instead of using the Lotus Elise chassis. "We ended up changing most of the damn car, so we thought later, why did we do that," he said. Another problem with the original idea for the car was the drivetrain. At first, Tesla had meant to use the motor and other propulsive bits from AC Propulsion, only to find that powertrain didn't work well in a commercial application. Instead Tesla only licensed the reductive charging patent, which allowed some integration of the inverter and charger. Besides knocking Tesla's own early efforts, the outspoken entrepreneur took a couple swings at other technologies with quotable quotes such as: "The internal combustion engine is a ridiculous thing!" and "Current lithium ion technology is better than theoretical fuel cell limits. So, game over. Why bother with fuel cells?" Looks like there are some things Musk is not interested in going back in time and changing.

Renault settles on Lotus, to take 65-percent stake in F1 team

Renault's coquettish moves toward becoming a constructor again have been news all season. The expected maneuver, should Renault say "Oui" to such, was for the French carmaker to repurchase the Lotus team - the team it sold at the end of 2010 to Genii Capital. Then last week we got the surprise news that Renault had been talking to Force India about taking a majority stake, but that information came with the context that Renault had discussions with several teams about such a move. Autosport reports that Renault has finally decided to get back together with Lotus, taking a stake worth up to 65 percent for 65 million pounds. The deciding factor was said to be the facilities that Lotus has available compared to Force India, including the Enstone factory formerly owned by Renault, plus a computational fluid dynamics program, driver-in-the-loop simulator, and a 60-percent-scale wind tunnel. The final shareholding stake will be split between Gerard Lopez at 25 percent and Renault ambassador Alain Prost at 10 percent. Renault will make a 7.5-million-pound payment immediately, completing the acquisition by paying 5.75-million-pounds per year for the next ten years. On top of that, Renault will invest a budget commensurate with those of Mercedes-AMG Petronas and Infiniti Red Bull Racing. The carmaker's board and CEO Carlos Ghosn have approved the deal, it is up to Lotus shareholders to agree to everything by Monday, when Autosport says the papers will be signed. The deal puts team drivers and the Red Bull engine supply in question. It should be expected for Romain Grosjean to remain, but keeping Pastor Maldonado is not a certainty. As for engines, Red Bull's engine supply contract states it must be Renault's priority, so Renault could stick with the Mercedes power unit Lotus currently uses for one more year, or help Red Bull get in bed with Mercedes. We should know more next week. Related Video:

Lotus pulled 55 pounds out of the Exige and added power to create this Sport 380

The hard-core Lotus just got harder. Or maybe corier? Anyway, the Lotus Exige Sport 380 is the most extreme iteration of the Elise and Exige yet. It hits 60 mph in 3.5 seconds, has even more downforce than the Sport 350, and weighs a full 55 pounds less than that car if you opt for the lightweight exhaust. With a curb weight of 2,425 pounds, that weight reduction means something. Mass was pulled out of a variety of places on the car, including the front splitter, front "hood" insert, wing, and diffuser surround, all of which are rendered in carbon fiber and save a cumulative six pounds. Swapping the rear glass to polycarbonate reduces weight by two pounds, a lithium-ion battery in place of the standard one removes 23, the carbon racing shell seats cut 13, and lighter wheels and brake discs lower the total by 22. Lotus even messed with the lights on the back, going from four big ones to two and making do with smaller fog and reverse lights, saving just over half a pound. That optional titanium exhaust saves an additional 22 pounds. And it's not like the Sport 350 was a porker. As the name suggests, there's more power coming from the supercharged and heavily massaged 3.5-liter Toyota V6. The Sport 380 makes 375 horsepower and 302 pound-feet of torque, up from 345 and 295 in the Sport 350. The 380 accelerates to 60 mph in 3.5 seconds (down from 3.7) regardless of which transmission you choose, but we highly recommend the six-speed manual over the auto, if only for its fantastic and beautiful exposed linkage. Tweaks to the aero package keep drag in check while increasing downforce by about 60 percent over the Sport 350, for a total of 309 pounds at top speed. Which, if you're curious, is 178 mph for the manual, 170 for the auto. So another vote for the three-pedal version. We'll have to remain curious, though, because sadly the current Exige is still not available in the US in any form, nor will it be. But Lotus is working on a new one that should arrive in a couple years to join the rejuvenated Evora lineup – the fantastic Evora 400 and upcoming, fantasticker Evora Sport 410. Related Video: Featured Gallery 2017 Lotus Exige Sport 380 View 14 Photos Image Credit: Lotus Lotus Convertible Coupe Lightweight Vehicles Performance