Guardian: Just in time for April Fool's Day comes news of the latest scam in the biofuels industry. As we report today, cargo loads of biofuel are being shipped from Europe to the US where they are topped up, allowing traders to claim a subsidy from Washington, and then shipped back. Despite the dateline, this is no prank - it accounts for up to 10% of all biofuel exports from America to Europe - even though it makes a mockery of the notion of a green fuel. The attraction of biofuels is ... Link