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Bentley, the British-based luxury carmaker owned by Germany’s Volkswagen, reckons biofuels are the key to cutting its carbon dioxide (CO2) emissions on the way to a greener future.
In the short to medium term, this means embracing ethanol as the main so-called renewable fuel. But, unfortunately for Bentley and the likes of GM, the science points increasingly to this being a dead-end street. Some experts reckon this push for ethanol shows Bentley needs a quick and cheap way to at least appear to be improving fuel economy.
Jerry Taylor, senior fellow at the Cato Institute in Washington, D.C., said it is clear that ethanol, if you add up the energy inputs all the way along the production process until it reaches the fuel tank — the so-called “well-to wheel” measurement — doesn’t cut greenhouse gas emissions.
“The weight of the evidence against ethanol as a net reducer of greenhouse gas emissions vis-
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