Utah State professor harnesses the power of manure
US - Manure is a steady energy supply," says Hansen, explaining that the daily dung from 10 pigs, for example, can power a 100-watt light bulb around the clock.
US - Manure is a steady energy supply," says Hansen, explaining that the daily dung from 10 pigs, for example, can power a 100-watt light bulb around the clock.
