Seriously: what do you do with your leftover cooking oil? Most people just pour it down the drain (not pointing any fingers, here). This is quite bad for a couple of reasons: first because it can affect waste water treatment plants and second because a potential fuel is lost. We have written a lot about how used oils can be made into car fuel before; today we have three more examples about global initiatives to raise awareness about recycling used oil.
Marcos Jank, president of the Sugarcane Union Industry (Unica) in Brazil recently said that, "We're ready to discuss an environmental, social and economic certification of ethanol." São Paulo's ethanol industry is ready to introduce new methods for sugarcane production, such as better mechanization in order to avoid side effects from harvesting. How does this help green up ethanol production? Well, mechanization, some claim, avoids the need for burning after harvest (a very polluting acti