Has called on automakers to make a more rapid switch to flex-fuel cars.

呼吁汽车厂商更快地转向汽油酒精混合燃料汽车。

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One is the Brazilian invention of flex-fuel cars which can run happily on any combination of ethanol and gasoline.

其中之一就是巴西发明了弹性燃料汽车，这种车可以使用任何用乙醇和汽油混合的燃料。

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In 2003, Brazilian automakers started producing flex-fuel cars that could run on biofuels, including locally produced ethanol.

2003年，巴西的汽车制造商开始生产能用生物燃料驱动的弹性燃料汽车，包括本地生产的酒精。

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Under the law, if automakers build flex-fuel cars, they get special permission to make the rest of their cars a little less fuel efficient.

NPR: 'Flex-Fuel' Concept Fails to Deliver on Potential

Also, some Brazilian states (3 of 27) charge a lower VAT (Value Added Tax) on hydrous ethanol sold to Flex-Fuel cars compared to VAT imposed on gasoline at the pump.

FORBES: Further Implications Of The U.S. Ethanol Tariff

Ethanol output has more than doubled since 2002, thanks to the development of flex-fuel engines for cars, capable of running on either petrol or ethanol indistinguishably.

ECONOMIST: Energy in Brazil