The Saab 9-5 Biopower is the latest green car on the block. The 180 bhp 9-5 Biopower has a 2. 0 litre environment-friendly engine that runs on bio-ethanol produced from sustainable resources. Bio-ethanol's higher octane rating plus Saab's technology offers 20% more bhp than petrol engines. Saab say its a 'purer power'. A clear downside is that this type of fuel is not widely available in the UK. Saab have addressed this by making the Biopower a flex-fuel car, it can also be run on normal unleaded petrol or even a mixture of the two different fuel types. The car is on sale in the UK now from £21,651 - you can register your interest at their website. [Ella; Source: Topgear]
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