In an unexpected twist, some of today’s auto strategies are based around diesel engines. When Europeans switched from diesel to gasoline cars, there was a related increase in carbon dioxide emissions.
Combining IC engines with hybrid electric powertrainsģ.Using other alternative or renewable fuels.In addition to gasoline and diesel, manufacturers are studying other ways to increase fuel economy: Creative minds accomplished this while maintaining or increasing fuel economy. The Office of Energy Efficiency & Renewable Energy reports that manufacturers reduced pollutant emissions by more than 99% over a 30-year span.
How to Increase Efficiency of IC Engine Emissions? Whether engineers and executives personally agree or not with the changes in the air, the industry is moving steadily in that direction.Ģ. Regardless of the EPA's plans, the political and environmental atmosphere is still pushing internal combustion engine efficiency improvements more than consumer demand is. The agency expects the new rules will apply to heavy-duty vehicles beginning in MY 2027. Current standards only become 1.5% more stringent each year.Īt the same time, EPA announced plans to reduce pollutants from heavy-duty trucks through stricter rules. The proposed standards include 10% greater emissions improvement than current standards for MY 2023 vehicles and 5% greater emissions improvement in each of the following 3 years. Environmental Protection Agency (EPA) proposed revised Greenhouse Gas Emissions guidelines for passenger cars and trucks in model years 2023-2026. Emissions plummeted from 2019 to 2020 (5.4%) as the COVID pandemic brought travel to a near-standstill. The Global Carbon Project reported that worldwide carbon dioxide emissions were expected to rise by 4.9% in 2021, nearly back to their record 2019 levels. Open the image in a new tab to see a full-scale version of this infographic: