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Why it's difficult to accurately test the efficiency of a plug-in car

When it comes to electric vehicles and plug-ins in general, the Environmental Protection Agency-certified range is a hugely important number. While actual range anxiety is largely psychological, the magic number does provide a point of comparison of buyers considering one EV over another. The driving distance is also often touted by automakers when marketing their models. Unfortunately, as Green Car Reports finds in a recent deep dive, the way the EPA calculates the figure is a convoluted mess, and discovering the reasons why is definitely worth the read. The issue isn't about bad science but instead comes down to vague wording. The EPA's accepted range test is sourced from an evaluation called J-1634 from the Society of Automotive Engineers, and it seems to provide balanced results for vehicles that automatically reach a single state of charge when plugged in. However for models with multiple charge settings, the situation gets complicated very quickly. Of course, these modes are often created in the software, meaning that a car's certified driving distance can change with just a few taps of the keyboard without the real world results owners might experience actually changing. By showing the test's effects on the certified range for the Tesla Model S, Nissan Leaf and Mercedes-Benz B-Class Electric Drive over the last few years, Green Car Reports makes a compelling argument that it's the evaluation that needs to change. Thankfully, it appears that the solution is a very simple one. Get the details here.

Mercedes-Benz A45 AMG shows up to fight the hottest hatches [w/videos]

Fun coincidence. On the same day that Audi announces the unveiling of its new S3 Sportback at the Geneva Motor Show, Mercedes-Benz steals the spotlight by confirming that the all-new A45 AMG will also receive its official debut early next month. Starting life as the entry-level A-Class hatchback, the A45 AMG gets the full AMG treatment, which includes numerous performance, handling and styling upgrades.
Under the hood sits an AMG-tuned 2.0-liter turbocharged I4 breathing through a sport exhaust system helping the five-door produce 360 horsepower and 332 pound-feet of torque. This engine is paired to a seven-speed AMG dual-clutch transmission and power is sent to the ground using 4Matic all-wheel drive. Mercedes-Benz says that the A45 AMG will be able to accelerate from 0-60 miles per hour in under 4.5 seconds and it will have a top speed of 155 mph; in the land of hot hatches, it doesn't get much hotter than that. For added performance and handling, AMG has retuned the A-Class' suspension and steering systems and equipped The A45 with a three-stage stability control system that is specific to this car.
Surprisingly, the exterior styling of the A-Class was already sporty enough that the new model doesn't receive too many changes to become the A45 AMG. The biggest alterations include black accents to the chin spoiler, rocker panels and mirror caps, black wheels with red-painted brake calipers and rectangular dual exhaust outlets. Inside, it doesn't take a trained eye to spot the differences. The flat-bottomed sport steering wheel and the numerous red accents throughout the cabin (including the seatbelts!) really help to make this AMG interior stand out; front passengers will also get sport bucket seats that appear to be more than supportive enough for even the most spirited driving conditions.

European automakers gear up for Brazilian production

Brazil is the place to be, apparently. Toyota has been investing in the South American country, as has BMW, which announced a $261 million investment in October 2012, on the heels of an Audi factory announcement in San José Chiapa. The high-end immigration is only set to continue, as Mercedes-Benz and Jaguar-Land Rover have both announced plans to set up manufacturing operations there.
Mercedes is the big news here, as its new facility will see the German manufacturer invest 170-million euros for production of its next-generation C-Class and upcoming GLA-Class. "Brazil is an important future market. With our local production we accept the challenge and take on the competition," noted Andreas Renschler, Management Board member for Production and Procurement at Mercedes-Benz Cars and Mercedes-Benz Vans. Production is expected to begin by 2016.
Jaguar-Land Rover, meanwhile, isn't so concrete in its plans. The news of its investment in South America comes from a job posting for a plant quality manager in Brazil that was picked up by the UK's AutoCar. "Portuguese language skills will be definite advantage" for interested candidates, according to the job listing. The want ad follows on the heels of remarks by Jaguar Land Rover's Dr. Ralph Speth, who said there are "very intensive discussions" with Brazil's government. Unlike Mercedes, there's no mention of which vehicles will be produced in South America, although AutoCar thinks the Freelander, sold in the US as the LR2, is a leading contender.