21. With no air currents near the wick, waste gases like carbon dioxide would collect, slowing combustion and soon extinguishing it. 22. But, the alternator has a voltage regulator, so past the bare minimum to run the alternator is just wasting gas . 23. This not only wastes gas but also creates tire wear and makes the engine work harder to move the car. 24. Waste gases can be gas from animal waste, landfill gas, gas from coal mines, sewage gas, and combustible industrial waste gas . 25. It leaves the column and exits the cold box at ambient temperature through the main heat exchanger as a waste gas . 26. More fuel flows in to replace the volume previously kept by the waste gas , and the reaction is allowed to continue. 27. Like the lead ISASMELT pilot plant, the lead ISASMELT demonstration plant suffered from constraints imposed by the waste gas handling system. 28. No . 2 Furnace was erected in 1842, using waste gas from the stack to heat the blast instead of coal-fired ovens. 29. United States company Pan Ocean Oil Corporation has also applied for credits in exchange for processing its own waste gas in Nigeria. 30. _Since 1995, the company's oil refineries and chemical plants have cut flaring _ the burning off of waste gas _ by two-thirds.