Various biofuels such as biodiesel, vegetable oil, alcohol fuels, or biomass can replace fossil fuels. The greenhouse gases due to fossil fuels drive global warming. Commonly used derivatives of fossil fuels include kerosene and propane. Bottle manufacturing relies on fossil fuels and natural resources. Flows are production of fossil fuels from these reserves. CNG combustion produces fewer undesirable gases than the aforementioned fuels. PVC is made from fossil fuels including natural gas. Processes for converting renewable lipids into usable fuels include hydrotreating and decarboxylation. Plastic is produced mainly from fossil fuels. Bromine was used for an additive for gasoline and other fuels. This is a result of burning fossil fuels. Hydrogen does not exist in convenient reservoirs or deposits like fossil fuels or helium. Hence, carbon dioxide fuels rather than extinguishes magnesium fires. Carter Oil focused on the developing synthetic fuels from coal. Examples include subsidies for highway building, fossil fuels, and electricity.