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Overall biodiesel emissions are lower than gasoline or diesel fuel emissions (with the exception of NOx, which we discuss on the next page). Compared to diesel, biodiesel produces no sulfur, no net carbon dioxide, up to 20 times less carbon monoxide and more free oxygen. Biodiesel has the following emissions …

The process of converting vegetable oil into biodiesel fuel is called transesterification and is luckily less complex than it sounds. Chemically, transesterification means taking a triglyceride molecule, or a complex fatty acid, neutralizing the free fatty acids, removing the glycerin, and creating an alcohol ester. This is accomplished by mixing …

Biodiesel production in Europe Not only in the US but also in Europe is biodiesel is becoming increasingly popular as an alternative to mineral oil-based fuel. In Europe around 50 manufacturers produce approximately 1.5 million tonnes of biodiesel, with a total capacity of around 2.1 million tonnes Germany is the …

A groundbreaking trial, collecting organic waste from householders in the London Borough of Bexley using aerobic bins, is set to revolutionise collections across the UK. A study, funded by SITA Environmental Trust has been published. "If you can eat it and it grows, it goes in the aerobic bin" was …

The European Union can cut a third of its greenhouse gas emissions by 2020 through energy efficiency and renewable energies, as well as through a strong emissions trading system, says WWF. A new report written by the Wuppertal Institute for WWF – Target 2020: Policies and measures to reduce greenhouse …