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Driving Green: What are hydrogen fuel cell vehicles?


Hydrogen is the most abundant element in the universe, and when it’s burned the only by-product is water vapour. So wouldn’t it be great if...
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Driving Green: What are biofuels?


All fuels are a cocktail of chemicals. Creating the perfect fuel is always a compromise as there are so many demands to be accommodated...
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Driving Green: Whatever happened to LPG (liquid petroleum...


At the turn of the 21st century, it seemed that we were all going to be converting to Liquid Petroleum Gas, or LPG...
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Driving Green: What are extended-range electric vehicles...


An E-REV, or Extended-Range Electric Vehicle, offers all of the benefits of a plug-in hybrid, but with the promise of even greater efficiency...
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Driving Green: What are plug-in hybrid cars?


The problem with conventional hybrids is that they rely largely on an internal combustion engine for motive power...
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Driving Green: What are hybrid cars?


The first alternatively fuelled cars to hit our roads in significant numbers were petrol-electric hybrids...
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Driving Green: Nine tips for eco-driving


You don’t have to have a new car or one with green tech to cut your fuel bills. Whatever you drive, a few simple steps will help cut fuel use –...
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Driving Green: Why have "green" cars been developed?


Burning fossil fuels releases all sorts of pollutants and carbon dioxide (or CO2) into the atmosphere. The former is being blamed for...
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Driving Green: What does Euro 6 mean when it comes...


Internal combustion engines emit a whole array of gases and until 1992, when the Euro 1 emissions standards were introduced...
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Driving Green: What is a "green" car?


What constitutes a green car isn’t as cut and dried as you might think. While for many, CO2 emissions are at the heart of what makes a car green...
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Letters of the week, August 2


This week: London's supercars, travelling in Iran and undertaking
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Letters of the week, July 26


This week: Undertaking feedback, electric car grid impact, and how to be sure to avoid a speeding fine.