In recent years, environmentally minded engineers have begun experimenting with a variety of different fuel sources in an attempt to find a viable alternative to crude oil. From vegetable oil to natural gas to lithium-ion batteries, conscientious gearheads have begun experimenting with all sorts of different fuel sources over the course of the past decade or so. The latest of these experiments comes to us courtesy of Reading Buses in the UK, who have made a bus that runs on nothing but cow excrement. Strictly speaking it runs on biomethane fuel derived from cow manure, but let’s not get bogged… Read more »
