Biofuel is wreaking havoc with car engines. Due to Government rules, all diesel sold in the UK must be blended with the eco-friendly fuel.

But what the authorities didn’t bank on was the filth inside filling station tanks. With no rules forcing forecourt owners to clean them, the reservoirs are rife with bacteria. And when they come into contact with the vegetable or wheat-based fuel, the result is oil clots, which clog up engines.


The AA has already blamed a spate of mechanical breakdowns nation­wide on the jelly-like lumps. It says they make their way into fuel tanks, and block the filters that provide clean diesel to the injectors. This leads to the motor cutting out and, ultimately, a big repair bill for the owner.