Climate changes today are mainly caused by anthropogenic activities and the increased emissions of greenhouse gases to the atmosphere and this has raised questions on how to reduce the usage of fossil fuels. Ethanol is a good alternative to conventional gas and has been used in Brazil since the 1970 ?s. In Sweden several newspapers has written about the poor working conditions on many farms thus making the Swedish company SEKAB design a certification for their ethanol to ensure that it can be considered to be a sustainable alternative.Furthermore WWF has developed a certification tool called Bonsucro in cooperation with Coca Cola, Ferrero group, BP and Shell. This is due to the fact that no global certification tool has been available up until now.

Att stra?va mot en ha?llbar utveckling, inom alla dess aspekter, a?r i dagsla?get ho?gst aktuellt. Sa?rskilt da? medvetenheten o?kat kring de negativa effekter som exempelvis utsla?pp, fo?roreningar och buller ger upphov till. Dessa effekter finns alla na?rvarande na?r man utvecklar en av samha?llets allra mest vitala funktioner, na?mligen transportinfrastruktur.