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Recharge Wrap-up: EV torque secrets, UC Davis maps future of biofuels

A UC Davis white paper maps out "Three Routes Forward for Biofuels," balancing investment risk with carbon benefits. The first option is "incremental," in which we tinker with the existing biofuel manufacturing infrastructure for small improvements over time. The "transitional" plan suggests integrating cellulosic production and other innovations with existing operations. The third route, called "leapfrogging," would mean building refineries based on new technology such as cellulosic and algae-based biofuels. The paper suggests ways the US could use these three routes together in different areas, and predicts the payoffs in terms of carbon emissions could be significant if the right people are willing to risk the capital. After all, financial advisers are always telling investors to diversify their portfolios to manage risk and rewards in the same way. Read more over at the UC Davis Institute of Transportation Studies. The Formula E Long Beach ePrix will offer free admission. The seventh round of the inaugural all-electric race season, which was moved from Los Angeles to the streets of Long Beach, will offer fans free grandstand and general admission. The race, which takes place on April 5, 2015, will use a 1.6-mile portion of IndyCar's Grand Prix of Long Beach. Read more at LA Times. Polaris is now offering its 2015 GEM electric vehicles, including the new street-legal eM1400 LSV. The passenger and utility vehicles come in two- to six-passenger configurations, many of which are street legal on roads with posted speed limits of up to 35 miles per hour. The eM1400 LSV utility vehicle seats two, offers 1,250 pounds of payload, 1,250 pounds of towing capacity, a top speed of 25 mph and a range of up to 45 miles. Its on-board charger plugs into any standard 110-volt outlet. Read more at Hybrid Cars and check out all the different configurations yourself at the Polaris website. In EVs, more torque does not always equal faster. Green Car Reports found this out when driving the Fiat 500e (with 147 pound-feet) against the similarly weighted Chevrolet Spark EV (with 400 pound-feet). The secret is, at least in part, in the gearing. The Fiat has a 9.6:1 reduction gear, making it quicker at lower speeds despite having far less available torque, while the Chevy uses a 3:1 ratio. The trade-off though, is in top speed. Furthermore, Chevy electronically limits the torque delivery at low speeds, as 400 pound-feet is a lot of launch for the little Spark EV to handle.

Chevy to offer new Cruze as a hatchback in the US

Chevrolet plans to offer a five-door hatchback version of the new Cruze in the United States, according to the latest intel from Automotive News. In addition to the sedan form we're familiar with, the outgoing Cruze was offered as a hatchback in some markets overseas, but not in America – a decision which Mark Reuss, GM's EVP in charge of product development, characterized as "a pre-bankruptcy planning mistake." The new Chevy Cruze is set to debut later this week. Although the American automaker has yet to confirm which bodystyles will be offered where, AN reports that a five-door model was already shown to dealers at their national meeting in Las Vegas last week. AN points out that the Ford Focus with which the new Cruze will be contending is offered as both a sedan and hatchback in America, with the latter accounting for some 40 percent of sales.

Corvette Stingray gets optional Z06 components

If you've got a Corvette Stingray in the garage and have been tempted by some of the upgrades incorporated into the Z06, but can't quite bring yourself to trade up, Chevy has got some good news for you. The Bowtie brand has announced a series of performance parts derived from those in the Z06, but applicable to the base Stingray. The list of parts includes new cooling elements, prop shafts, brakes, suspension components, and underbody braces. They can all be fitted to Stingray models with or without the Z51 performance kit, and promise to raise the Corvette's game if not quite to Z06 levels, then closer to them. And for Z06 owners interested in gaining a bit more advantage, Chevy is offering a new Level 3 aero kit as well. The parts were demonstrated on upgraded 'Vettes at the Ron Fellows driving school at Spring Mountain. The school is also serving as technical partner and the track as the location for a new spec racing series built around the C7 Corvette. Dubbed the Michelin Corvette Challenge, the calendar is composed of fifteen half-hour races held in pairs over eight weekends, all on the six-mile circuit near Las Vegas. The cars to be used in the series will be close to showroom stock and feature many of the new Z06-derived upgrades, with Michelin racing slicks for dry weather and Pilot Super Sport tires in the wet. Perhaps most compelling of all will be the payment plan that will allow participating amateur racers to pay in installments across the season and take home their Corvette after the season's conclusion in December. New Z06 Parts Enhance Corvette Stingray Performance Broad range of chassis, suspension and aero components enhance capability 2015-11-02 PAHRUMP, Nev. – Chevrolet today and drivers from the Ron Fellows Corvette high-performance driving school at the Spring Mountain track demonstrated Stingray models enhanced with components from a new lineup of Z06-based performance parts. They're designed for 2014+ Stingray models, including Z51-equipped cars. "We've selected specific components from the Corvette Z06 and engineered them to fit the award-winning Stingray," said Jim Campbell, Chevrolet U.S. vice president of Performance Vehicles and Motorsports. "These Z06 parts enhance the handling, braking, cooling and downforce performance of the Stingray." Ron Fellows, champion Corvette Racing driver, collaborated with Chevrolet Performance engineers on the all-new portfolio.