- You are here:
- Green Car News >
- features
features
-
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 ...
-
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 ...
-
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 Toyota, ... -
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 ...
-
How can we "refuel" electric vehicles today and tomorrow? 1253213820
Renault Zero Emission line-up - Click for high-res image galleryAmong the many claimed advantages of electric vehicles are the ability to "refuel" your vehicles at home, never visiting a gas station again. In principle, the only thing you need to "fuel" an EV is a working plug. However, in life, ... -
POLL: LEAF, Volt or neither? Which do you prefer? 1249855440
We got a note the other day from Lyle Dennis over at GM-Volt about a poll he's running among his readers following this week's announcement of the Nissan LEAF. Lyle wanted to judge the readers preference among the two electrically-driven cars. As a site that's been dedicated to all things Volt ...
-
VIDEO: Before you weld a Volt, you have to stamp out the bodies 1249253940
Volt body panels being stamped - Click above to watch the videos after the jumpThe other day we pointed you at a video produced by General Motors that is part of a series on the building of the pre-production Chevy Volt prototypes. That video showed the IVER (integration vehicle engineering ... -
Review: 2010 Audi A3 TDI, diesel with a healthy dash of sport 1242921540
Audi A3 TDI – Click above for high-res image galleryAudi started its big push for clean diesel here in the U.S. market this spring when its big Q7 TDI finally went on sale. While the Q7 TDI is one of the most fuel efficient seven-passenger SUVs available anywhere, it's only the beginning ...
