Biofuels: run buses on old cooking oil - Stagecoach biofuel innovationhttp://www.globalchange.com Innovation using old cooking oil to drive buses or cars or lorries. Future of public transport energy efficiency and Stagecoach innovation in energy saving, reducing carbon footprint. Why biofuel industry using food is dead – converting food into oil is stupid and immoral but converting used cooking oil is a good thing. Biodiesel, biomass, biowaste and sugar to fuel conversion. Ethanol and gasoline or petrol mix, European Union EU poliy changes on biofuel and biowaste. Policy reversal. Anti-biofuel capaigns. Food riots, hunger, food shortages, rising food prices, whet prices, food hoarding and stockpiles. Speculation in food futures. Link oil price to food price. Starvation, Africa Asia, India, China. Competition for food – poor people cannot eat, food prices rise, burning wheat in car engines, driving vehicles, adding ethanol to petrol / gasoline. Biodiesel, soybean price rises, rise price rises, food riots, destruction of forests for agriculture. Other reasons ...