Carbon dioxide (CO₂) shows the strongest overall correlation with global warming among greenhouse gases, primarily because it accounts for the largest share of human-caused warming and accumulates in the atmosphere for centuries to millennia. While methane is more potent per molecule in the short term and water vapor is quantitatively the most abundant greenhouse gas, CO₂…
The United States defines the term “renewable fuel” in its mandatory biofuel program, the Renewable Fuel Standard (RFS), as fuel that is made from renewable biomass, including plant-based materials like corn, soybeans, sugarcane, and oil palm trees as well as waste materials like used cooking oil and animal fats. The RFS program requires a certain…
There are several boat designs that can be expected as the move away from fossil fuels continues. These include: In summary, boat designs that can be expected given the move away from fossil fuels include solar-powered boats, hydrogen fuel cell technology, methanol and other fossil-fuel alternatives, wind-assisted propulsion, fuel cell propulsion, non-fossil paraffinic fuels and…