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2015 Green Car Of The Year finalists announced, run alt-fuel gamut

The 2015 edition of the Green Car of the Year award is following right in the footsteps of previous years with a variety of alt-fuel powertrains making the just-announced finalists list. You've got your plug-in vehicle (the BMW i3), your compressed natural gas (the Chevy Impala Bi-Fuel), your high-efficiency diesel (the Audi A3 TDI), your 40+ mile-per-gallon gas engine (the Honda Fit) and, finally, a car that can do a little bit of everything (the VW Golf). The Golf is available – at least in some parts of the US – with three different powertrains: a 2.0-liter diesel, a gasoline engine and all-electric drive. The Impala can burn either natural gas or gasoline in its 3.6-liter engine. The A3 is an efficiency champ, able to get 73.5 mpg on some European tests. The i3 can be a pure electric vehicle or come with a short range extending engine. And the Fit brings 41 miles to the gallon in a practical, affordable package. The GCOY award is announced every year at the Los Angeles Auto Show by Green Car Journal. The committee doesn't just take the fuel-saving technology into account, but also a vehicle's "availability to the mass market." Last year, the Honda Accord Hybrid/Plug-In Hybrid won top honors, following up on wins from the Ford Fusion models (plug-in hybrid and hybrid) for 2013, the Honda Civic Natural Gas for 2012 and the Chevrolet Volt for 2011. FINALISTS ANNOUNCED FOR 2015 "GREEN CAR OF THE YEAR"" Green Car Journal to Reveal Winner of 10th Annual Award at LA Auto Show" Press & Trade Days, November 20 LOS ANGELES, CA (October 21, 2014) – Green Car Journal has announced its five finalists for the magazine's high-profile 2015 Green Car of the Year® program. The 2015 models include the Audi A3 TDI, BMW i3, Chevrolet Impala Bi-Fuel, Honda Fit, and VW Golf. The Green Car of the Year® award, an honor widely recognized as the auto industry's most important environmental accolade, celebrates its 10th anniversary this year. An increasing number of vehicle models are considered for the Green Car of the Year® program each year, a reflection of the auto industry's expanding efforts in offering new vehicles with higher efficiency and improved environmental impact. Green Car Journal has been honoring the most important "green" vehicles every year at the LA Auto Show, since its inaugural award announced at the show in 2005.

2016 Audi SQ5 TDI Plus a quick sprinter with 35 mpg

Not only does Europe get cool diesel-powered models, but occasionally, some of those oil-burners are of the high-performance variety. Take the Volkswagen Golf GTD, Audi Q7 V12 TDI, and now this, the new Audi SQ5 TDI Plus. In this new form, the 3.0-liter, turbodiesel V6 is very nearly as powerful as the supercharged V6 available in the US-market SQ5, producing 340 horsepower. That's 27 more than stock, for those keeping track at home. In terms of torque, of course, the diesel-powered SQ5 just embarrasses the gas-powered CUV. Torque is up 37 pound-feet to a thumping 516 lb-ft. We'll go ahead and classify that as a lot. This extra output allows the SQ5 TDI Plus to hit 62 miles per hour in just 5.1 seconds, matching the supercharged model we have access to here in the US. The top speed, as with the gas-powered model, is limited at 155. Unlike North America's CUV, though, fuel economy is very impressive. European drivers can expect the equivalent of 35.6 miles per gallon, compared to just 24 mpg with the gas engine. We have a full set of images of the new SQ5 TDI Plus from the floor of the 2015 Frankfurt Motor Show. Scroll up and check them out. Related Video: Even more power and top-of-the-line equipment: The Audi SQ5 TDI plus with 250 kW (340 hp) - The SQ5 TDI plus will launch on the German market in October 2015 - 700 Nm of torque; from 0 to 100 km/h in 5.1 seconds - On request, exclusive equipment package from quattro GmbH Audi is further expanding its range of S models. In October, the new SQ5 TDI plus* will arrive at German dealerships with more power and driving pleasure and even more extensive equipment – with 250 kW (340 hp), sport differential and 21-inch wheels. Even in its basic version, the successful Audi SQ5 TDI* comes as an SUV with the performance of a sports car. The plus version has an even higher power output. The biturbo V6 TDI produces 250 kW (340 hp) from its three liters of displacement by way of increased injection pressure. This results in 20 kW/27 hp more power compared to the SQ5 TDI. Its peak torque is increased by 50 (36.9 lb-ft) to 700 Nm (516.3 lb-ft). The powerful diesel SUV accelerates from 0 to 100 km/h (62.1 mph) in just 5.1 seconds; the top speed is electronically governed to 250 km/h (155.3 mph). In the NECD cycle, it merely requires 6.6 liters of fuel per 100 kilometers (35.6 US mpg) with emission of 174 g CO2/km (280.0 g/mi).

Audi is working on a suspension that gets power from bumpy roads

Regenerative brakes aren't new. They're on virtually every hybrid and EV, and they're even starting to pop up on traditional gas-powered cars, like with the i-ELOOP-equipped Mazda6. But even with these systems, cars can get more efficient, and Audi thinks it found yet another source of wasted energy. The source? The suspension. The idea is to turn the kinetic energy that goes into the dampers into usable energy instead of as waste heat. Audi isn't the first auto company to come up with regenerative suspension – nearly three years ago, ZF introduced its GenShock technology, which used a valve attached to traditional, oil-filled hydraulic shocks to recapture kinetic energy from movement caused by bumps in the road. Audi's prototype technology, which it calls eROT, replaces traditional dampers with horizontally oriented electromechanical rotary dampers. eROT is apparently short for electromechanical rotary damper. Neat. In testing, eROT recovered an average of 100 to 150 watts on a typical German road, three watts from a fresh piece of pavement, and 613 watts on a rough stretch of tarmac (wattage is calculated as power over time, so this is actually the rate at which the system harvests energy). The dampers channel that energy to a tiny, 0.5-kWh, 48-volt battery. The prototype is claimed to cut CO2 emissions by three grams per kilometer (4.8 grams per mile), while the company believes a future production version could save up to 0.7 liters of fuel per 100 kilometers of driving. Converting the savings to American miles per gallon isn't easy, so we'll use a practical example. In the US, the Q7's supercharged 3.0-liter V6 returns a combined rating of 21 miles per gallon, which works out to 11.2 liters per 100 kilometers. Apply eROT's 0.7L/100km savings, and the Q7's economy would improve to 10.5L/100km, or 22.4 mpg, a 1.4-mpg improvement. That's not huge, but because math, 0.7L/100km is more dramatic on a more fuel efficient vehicle – taking an A3's 27-mpg combined rating and adding eROT would drive efficiency up 2.4 mpg, for example. There are a few other big benefits beyond fuel and emissions savings – Audi claims eROT provides a more comfortable ride than traditional active suspensions, because engineers can tune the compression and rebound strokes independently of each other. Beyond that, the horizontally oriented rear suspension geometry means more cargo space, since the dampers don't poke up into the cabin like they normally do.