Transcript Biomass - Cloudfront.net

Wood , leaves, animal and human wastes and food
waste are all biomass. It refers to all animal and plant
material,
Both dead and alive.
If plant and animal wastes are allowed to rote in the
absence of air, bacteria break down the wastes to
produce biogas.
Biogas is mainly methane, just like natural gas
Involves growing plants for use as fule.
China has some four million factories
that produce biogas.
If you have ridden in a car fueled with gasohol, you
have used a product of biomass
Is a combination of ethanol and gasoline.
Pure ethanol can be used in cars if the engines are
modified slightly.
Biogas and gasohol seem like ideal energy sources.
They disturb the ecosystem and cause air polution.