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0AutoblogGreen Q&A with Transonic Combustion: Can supercritical fluids give a 30% mpg boost? 1282867200
Given that the traditional four-stroke Otto-cycle engine piston engine only has a thermal efficiency of 25-30 percent, there is clearly still plenty of room for improvement. While most of the green automobile attention in recent years has been focused on electrification, liquid fuels still have ...
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Why the sub-30 MPG claim for Chevrolet Volt is misleading [w/video] 1282834440
One of the last big technical questions about the 2011 Chevrolet Volt is how much gasoline it will consume when the engine starts up to sustain the charge of the battery. Since the beginning of the development program ...Translogic Episode 5.4 – Click above to watch video after the jump -
General Motors' wind tunnel turns 30, more important than ever 1281049260
2011 Chevrolet Cruze in the GM wind tunnel – Click above for high-res image galleryThirty years ago this week, General Motors opened its first full-scale wind-tunnel at its Warren, MI, technical center. Today, the facility is more important than ever. As automakers strive to hit new fuel ... -
Deep Dive: Getting intimate with the 2010 Honda CR-Z's powertrain 1276887660
When the 2011 Honda CR-Z hits the streets this Fall, it will feature the latest iteration of the company's Integrated Motor Assist (IMA) mild hybrid system. The basic concept of IMA hasn't changed since the original Insight debuted in 1999, but it has been refined to improve performance and ...
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Greenlings: How do hybrids and electric vehicles blend regenerative and friction braking? 1266502200
Following last week's announcement by Toyota that it would recall several hundred thousand units of the 2010 Prius and Lexus HS250h to update the brake control software, there have been numerous questions about how these systems work. Vehicles with strong hybrid systems like those built by ... -
Some 3rd-gen Prius owners complaining about brakes; here's what might be happening 1261860120
2010 Toyota Prius - Click above for high-res image gallery2009 has not been a good year for Toyota. After getting its first full year loss in seven decades, it faced its biggest safety recall ever over unintended acceleration caused by floor mats and or throttle control software. Now, as the ... -
VIDEO: Watch live as ABG goes for a first drive in the Chevy Volt this Sunday! 1259349120
Chevy Volts on 1,200 mile drive - Click above for high-res image galleryHere at ABG, we've been tracking the progress of the Chevrolet Volt since before the concept debuted in January 2007. Along the way we've spent plenty of time with various members of the Volt team and last spring we were ... -
Why does mileage drop in winter? 1258072680
This week's Greenlings topic came to us from another reader tip. Don asked why his fuel economy suffers so much in winter weather. In his own experience, mileage drops about 10 percent when the temperatures go from the 60-70 F range to near freezing. This is consistent with our own experience and ...
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Editorial: Henderson's fuel cell 10X cost comments are out of context 1257180900
The other day we reported on an interview with General Motors CEO Fritz Henderson published in the Washington Post. While most of the discussion focused on the bailout and bankruptcy, from the perspective of this site, the main items of interest were Henderson's responses to questions relating ...
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Beware the biodiesel-ready Scorpion! 2011 Ford Super Duty gets all new 6.7-liter diesel V8 1251691260
2011 Ford "Scorpion" Power-Stroke 6.7-liter diesel V8 - click above for high-res image galleryFord's ongoing issues with its long-time heavy duty diesel engine supplier, Navistar, will soon be coming to an end. The 2011 edition of the Ford Super Duty pickups will get an all-new, in-house ...
