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GMC Envoy could be returning as GM files for 'Envoy' trademark

The GMC Envoy could be on its way back, if a recent GM trademark filing is any indication of the future. To be exact, GM's trademark filing is for the name "Envoy," and is applicable to "motor vehicles, namely, sport utility vehicles, engines therefor and structural parts thereof." A victim of the recession and high gas prices, the original Envoy – related to the Blazer, and more recently the TrailBlazer and similar GM SUVs – was discontinued after the 2009 model year. In today's SUV-happy market of low gas prices, unearthing the somewhat familiar Envoy name makes a certain amount of sense. As soon as gas prices start trending in the other direction, we'll all be saying the opposite, though. What this SUV will take shape as is the big question now. With the Chevrolet Blazer well and truly on its way, there's every reason for a GMC version of Chevy's stylish new crossover sporting the Envoy name. Another, less likely, possibility is a Traverse-sized vehicle to slot between the shorter Acadia (10 inches shorter than the Chevy Traverse) and the body-on-frame Yukon. GM could come out of left field and make the Envoy a Buick too. It fits the bill with the "En" beginning, and Buick undoubtedly has crossovers in the works. We think that's even more unlikely, but it's important to remember that we're still in the speculation phase. Soon we'll drive Chevy's new Blazer, and perhaps have more news then. Check in next week for that. Related video:

Diesel Power finds the ultimate modified oil-burner

For nine years, Diesel Power magazine has run the Diesel Power Challenge, this year's grindfest being "a week-long torture test that features seven events, nine trucks, 8,000 horsepower, and nearly 15,000 pound-feet of torque." The road to being crowned "the most powerful truck" starts with a dyno run, and then continues through the completion of a CDL-style obstacle course, an eighth-of-a-mile drag race while towing a 10,000-pound trailer, a quarter-mile drag race without a trailer, a fuel economy test in the mountains and finally a sled-pulling test through a 300-foot-long packed-mud pit.
What kind of trucks get into such a fight? Last year's winner, for instance - who upgraded his truck this year to prove he didn't "luck into the win" - drives a 2008 Ford F-250 Super Duty with a 6.4-liter Power Stroke V8 upgraded with a custom intake, Elite Diesel triple turbos and a two-stage nitrous system. Another competitor has a 2005 Dodge Ram 2500 powered by a 5.9-liter Cummins inline-six, upgraded with Garrett turbos, dual-stage nitrous, a seven-inch exhaust stack and twin fans built into the bed to cool the Sun Coast Omega transmission. The numbers on that truck: 1,255 horsepower, and 2,063 pound-feet of torque at the wheels. Naturally, as the image above might suggest, things don't always end well.
You'll find all five videos covering this years challenge below. A scene in the dyno video sums it all up perfectly: a competitor leaves his nitrous on too long and the crew is treated to some ominous poppings, he leans out the window, throws both hands up and shouts, "Amer'ca!"

Recharge Wrap-up: meet the Luka EV project, VisibleTesla allows Model S hacking

Select Registry is partnering with Tesla to install chargers at many of its lodgings. More than 170 hotels, inns and bed & breakfasts will install Tesla High Power Wall Connectors for their guests to use. So far, 63 properties have installed the chargers. Eventually, Select Registry members in 34 states as well as Nova Scotia will offer charging on-site. Tesla's wall charger provides the Model S with 58 miles of range per hour. The hotels will rent you a room for the full night, as well. Read more in the press release below. Tesla Model S owners can hack their car with the VisibleTesla app. The free, open source app allows users to check on and control the status of the car and its subsystems, similar to Tesla's official apps. VisibleTesla can also be used to schedule certain automated commands. For example, its creator, Joe Pasqua, has his car send him a text message reminding him to bring his bags with him when he enters the grocery store parking lot. Other users have the car remind them if the car is not charging at a certain time, or schedule the car to turn on the heat before departure. Read more at TechWorm, or learn more at the VisibleTesla website. Georgia Power has added 32 Chevrolet Volts to its fleet. Employees, particularly the utility's energy efficiency experts, will use the cars to travel to customers' homes and businesses to conduct energy audits. "We are leading by example and demonstrating to our customers, and other Georgia businesses, that electric transportation works for all drivers," says Georgia Power Chairman, President & CEO Paul Bowers. Georgia Power also offers charger rebates and special rates for EV customers. Read more at Domestic Fuel. The Luka EV is a project to build an affordable, lightweight, retro-looking, road-legal electric car in one year. The team wants to get the car certified for use on EU roads by September 2015. They have goals of achieving a driving range of 300 kilometers (about 186 miles), keeping the cost under ˆ20,000 (about $22,280 US at current rates) and the weight under 750 kilograms (about 1,650 pounds). The builders recently completed their first range test of the working vehicle, which uses in-hub motors for propulsion. Learn more at the Luka EV project page on Hackaday. Select Registry Teams with Tesla Motors Both Tesla owners and their vehicles can recharge at more than 170 B&Bs, inns, and hotels throughout the U.S.