McDonald’s received plenty of headlines for powering its delivery fleet with chip fat; now it could be used to pave our roads. Aggregate Industries last week tested chip fat as an alternative to bitumen, the black stuff that helps asphalt bind together.
If it works it could cut millions of tonnes of carbon dioxide produced through the mining and use of bitumen. The idea won its inventor Helen Bailey, a PhD student at the University of East London, the Fiona and Nicholas Hawley Excellence in Environmental Engineering Award