UK based environmental website Clean Green Cars (CGC) supports that the enthusiasm for hybrid cars needs to be put into context as current diesel models generally use less fuel and therefore emit less CO2 than equivalently powered diesel vehicles. In other words, CGC says that today’s diesel cars are more eco-friendly that the current generation hybrids.

To prove their point, CGC tested three hybrids (Toyota Prius, Honda Civic IMA and Lexus GS450h) and three diesel models (Euro Ford Focus Econetic, Jeep Patriot 2.4d and BMW 535d) in similar circumstances. The tests involved a return trip from central London to Brighton, which involved a mix of urban, dual carriageway and motorway driving. You can see the results in the box we added above.

Jay Nagley, Publisher of Clean Green Cars commented, “People may be surprised to learn that hybrids are no better in the real world than diesels, but our tests confirmed what we had long suspected. Hybrid technology offers the prospect of real benefits, but only with the next generation of plug-in hybrids using more advanced lithium-ion batteries which are expected from 2010.Current models only confer dinner-party bragging rights.”

As CGC points out, with the exception of some Lexus models, which can drive at 20 mph-plus on electric power, in general hybrids spend almost no time driving on battery power alone, and in some cases like the Honda Civic IMA, electric power is used solely to boost performance. Moreover, the key advantage of hybrids which is the fact the engine does not idle at traffic lights has also made its appearance on diesel models in the form of stop start technology. And lets not forget that if the batteries run down, a hybrid will automatically start the petrol engine at traffic lights to recharge the batteries. In a recent test performed by CGC, a Mini diesel with stop start technology managed to achieve 50.7 UK mpg / 42.2 US mpg.

Richard Bremner, editor of Clean Green Cars said, “We are not anti-hybrids. The concept offers the prospect of genuine fuel saving with models promised from 2010 that will drive up to 40 miles on electric charge. However, today’s models using current battery technology offer no real environmental benefits for British drivers. For your next new car, we would generally recommend an economical conventional engine – for the one after that a hybrid may make sense.”

The website says that hybrids became popular in the USA because they are the only alternative to conventional petrol engines as diesel cars are virtually unknown to most drivers in the United States. We say that unless the price of diesel fuel drops to the same levels as gasoline (current avg prices in the US: $4.052 gasoline, $4.792 diesel), unfortunately, diesels will continue to remain an unknown quantity on this side of the Atlantic.


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If the coming invasion of diesels from Mercedes, BMW, VW and Audi this fall don't do the trick then the diesel cause is lost here IMO. People just can't get past he cost of diesel. It has to be explained that it cost more but you get more MPG, a tough sell to most buyers. If diesel were a dollar of more cheaper than gas diesel sales would be fire right now.

M

The case is the same in Croatia.

It is unbelievable that a diesel costs that much more than gas...

Diesel is cheaper to produce then gas, so it should be cheaper to buy.
The extra $.50 in tax on diesel should be removed and that tax transfered to something else, like motor oil and tires, but wont happen.
If diesel and gas cost the same I could see tones of people buying diesel cars and thus saving millions of gallons a year, but but but