Peak oil
Liquid nitrogen vehicles
A liquid nitrogen vehicle is powered by liquid nitrogen, which is stored in a tank. Traditional nitrogen engine designs work…
6 years ago
Competition between Food and fuel
Food versus fuel is the dilemma regarding the risk of diverting farmland or crops for biofuels production to the detriment…
6 years ago
Energy returned on energy invested
In physics, energy economics, and ecological energetics, energy returned on energy invested (EROEI or ERoEI); or energy return on investment…
6 years ago
Peak oil prediction
Peak oil is the temporal maximum of the world crude oil production rate . The concept of a maximum oil…
6 years ago
Overconsumption
Overconsumption is a situation where resource use has outpaced the sustainable capacity of the ecosystem. A prolonged pattern of overconsumption…
6 years ago