Europe has taken an extremely welcome decision to clean up transport fuels by introducing new standards for the amount of carbon present in diesel and petrol. Between 2011 and 2020, the proposed standard requires that member countries reduce greenhouse gas emissions by 10%. EU member nations are considering pushing for greater use of bio-fuel so that the sulphur emitted from diesel combustion is reduced. The 10% cut will amount to a massive 500m tonnes of CO2. Â Read more.