Back of the enveloppe science - Collection of real-life ...
Collection of real-life science calculations. (Related to Chapter 20 – better transport) – In several cities Canadian waste trucks are powered by purified and compressed biogas (compressed natural gas = CNG) that is created from organic waste collected by the truck [6].In this way a “circle” is created (a waste truck can drive on the gas that is created from the waste it collects).
