Biofuel
Most of us fill up our car with gasoline or diesel at the filling station forecourt. Butt here are alternative fuels; biofuel has a long history as an alternative to fossil fuels and is the fuel of choice in some countries. Sugar cane, sugarbeet, wheat and barley are the most common sources of the fuel[1]. It has many benefits – lower greenhouse gas emissions than petrol; you don’t need to drill into the earth to extract it; and as crops can be homegrown it helps make countries self-sufficient in their energy supply, decreasing their reliance on other countries for essential fuel supplies. In addition cars are easily converted to run on biofuel. And as biofuel is a liquid it can be dispensed from a forecourt pump, just like petrol. In fact petrol is already blended with 5% biofuel to improve octane ratings. Biofuel production and use is growing quickly, but the reasons aren’t down to a love of the environment. Rather it tends to be down to hardheaded business decisions. In Brazil fo
