Wild elephant grass, also know as Napier grass, is one of those wonder plants that needs little water and few nutrients to produce copious crops on fallow lands. Since it can be used for grazing, it has allowed farmers from Africa to Asia to amp up food supplies for their cattle herds.
Earlier this year, a Brazilian landfill started using three massive Jenbacher gas engines to burn methane produced by rotting garbage. They now generate enough electricity to power 13,000 homes.
Everything is bigger in Texas, including the state’s appetite for electricity. No other state consumes more power, a whopping 10 percent of the national total.
Most travelers don’t have a garbage dump on their travel itinerary. But for people like José Baroni, it’s the top destination.
Nigeria has fast become Africa’s largest economy, but its infrastructure is still lagging.
The electrical grid is so unpredictable that many businesses use natural gas to produce their own power. But that’s not enough. Sand and water often clog up pipelines and idle generators for weeks at a time. In many parts of the country diesel is still the best and most reliable fuel.
A fuel cell works like a battery, using a simple chemical reaction to provide energy. In fuel cells, this reaction involves hydrogen molecules abundant in natural gas and oxygen from ordinary air.