EarthGreen machine: Cars could run on sunlight and CO2 Solar-powered reactors promise a route to carbon-neutral motoring running on synthetic fuels 51¶¯Âþ
EarthBugs will give us free power while cleaning our sewage Anammox bacteria don't need the energy-hungry oxygen supply of conventional sewage plants, and even produce methane that we can use as fuel 51¶¯Âþ