Hydrocarbon economy is a term referencing the global hydrocarbon industry and its relationship to world markets. Energy used mostly comes from three hydrocarbons: petroleum, coal, and natural gas. Hydrocarbon economy is often used when talking about possible alternatives like the hydrogen economy.https://www.google.com/search?tab=sw&sa=N&q=%22hydrocarbon+economy%22&hl=en&lr=&sa=N
