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2018 Chevy Sonic caught testing in The Motor City

Despite its role as the entry point into Chevrolet's lineup of sedans in America, the Sonic can be a fun little urban runabout in the same vein as the Ford Fiesta and Honda Fit. It's also impressively fuel efficient. Suffice it to say, then, that the Sonic is way better than the Aveo it replaces. And, as you can see from these spy shots, the next version of the Sonic is currently being tested in the wintry climes of Detroit, Michigan. The 2018 Chevy Sonic will be based on an updated Gamma platform that will be shared with the all-electric Chevy Bolt. In place of that's car electric motor and massive battery pack will be either a naturally aspirated four-cylinder or small turbocharged engine. Our spy shooters suggest a three-cylinder engine is also a possibility. While it's clear from these spy photos that the development of the next Sonic is well underway, nobody is quite sure where it will be built. Last October, we reported that 500 workers at GM's production facility in Orion Township were being laid off due in part to slow sales of the Sonic – you can thank the growing popularity of crossovers for that – and that plant is now being retooled for production of the Bolt. It's entirely possible that GM has decided to move production of the Chevy Sonic to Mexico, which would allow it to build a more profitable vehicle at Orion Township alongside the Bolt. Related Video: Featured Gallery 2018 Chevy Sonic Sedan: Spy Shots View 9 Photos Image Credit: Brian Williams / SpiedBilde Spy Photos Chevrolet Economy Cars Sedan

Chevy Bolt to start at $37,500 before rebates

During the recent debut at the Consumer Electronics Show, Chevrolet only described the 2017 Bolt's cost as "affordable" without any further explanation. Now the company's promo site for the EV spilled the beans of the $37,500 price after destination. That means some buyers could get the five-door hatch for $30,000 after the $7,500 federal tax credit – at least as long as that lasts for the Bowtie brand. State incentives might also reduce the bill even more when the Bolt arrives in late 2016. Chevy wants the Bolt to be a mainstream and affordable vehicle that can attract a wide swath of buyers. The company estimates the five-door's range at over 200 miles, which should be plenty for most customers. The promo site also touts that the batteries can recharge in nine hours from the automaker's 240-volt home charger. Inside, buyers find a high-tech cabin with a customizable 10.2-inch infotainment screen and an 8-inch instrument display. To limit range anxiety, the vehicle's computers can take into account the way an owner drives, the weather, terrain, and more to calculate just how much distance remains from the batteries. The system also pushes people to be greener drivers through a game-like interface that offers rewards and rankings. If $37,500 or less for this five-door EV intrigues you, read our Quick Spin of a preproduction example from CES for a better idea of what the Bolt is really like. The powertrain's regenerative braking impressed us even over the short driving course, and the infotainment system seemed incredibly useful. Related Video:

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.