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British environmental site Clean Green Cars announced a report that says that buying a hybrid does not have significant CO2 advantage over an equivalent diesel. The report doesn't mention other tailpipe pollutants and doesn't say that hybrids are a bad thing themselves because they do lower gasoline consumption. It's just that hybrids are more appropriate for the U. S., where diesels are virtually unknown, than in the UK. Clean Green Cars also says that we have to wait for lithium-ion and plug-i

During a panel discussion at the Society of Automotive Engineers World Congress in Detroit today, a group of industry executives projected that diesel engines with grab 20 percent market share in the US by the end of the next decade. BorgWarner CEO Tim Manganello also projected that hybrid powertrains would grab about ten percent of total sales in that same time frame. Toyota Engineering VP Ed Mantey and Ford Product Development VP Derrick Kuzak were were in agreement with those numbers. At thei

A new study by J.D. Power and associates is projecting that the combined market share of diesel and hybrid power-trains will hit seventeen percent in the U.S. by the middle of the next decade. The analysis also projects that smaller displacement four cylinder and flex-fuel engines will take a much larger share than they do today as demand wanes for more powerful engines. Between the diesels and hybrids, the former are expected to take a significantly larger share due to lower cost. The cost prem

When it comes to getting great fuel economy, there is definitely more than one way to skin a cat. The Prius may be thrifty but it certainly isn't the be all and end all. Just to demonstrate that the Times of London decided to go for a little a road trip with a Prius and a BMW 520d. While the 535d that we tried out a couple of months ago is a mighty machine, it's only the tip of the iceberg for 5-series diesels. Starting things off is the 520d with a 2.0L four cylinder diesel with 177hp. In a la

Audi has followed their Volkswagen stablemates and added some special "e" series models to the their lineup in recent months. The "e" models are similar to VW's Bluemotion models in that they are specifically optimized for ultra-low CO2 emissions. Currently, the smallest such vehicle is the A3 TDI e equipped with a 1.9L diesel. The TDI e has modified gear ratios and engine calibrations along with the low rolling resistance tires. The A3 is rated at 52mpg (U.S.) on the EU combined cycle with CO2

Not long after Toyota took up the stake in Subaru that was formerly owned by General Motors, the two companies agreed to work together to add hybrid power-trains to the all-wheel-drive specialist's lineup. The problem is that the unique layout of the Subarus precludes just dropping in the hybrid synergy drive. That means that while Toyota's technology can be used it has to be repackaged. In the meantime Subaru was already working on a new flat four-cylinder diesel engine which was unveiled at la

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