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Assesses, through vehicle simulation modeling, the baseline fuel efficiency performance and the potential of various fuel saving technologies to improve the efficiency of European tractor-trailers and rigid trucks, in the 2020–2030 timeframe.
Highlights important innovations and trends in diesel engines and emission control systems, some of which were not considered when the 2025 CAFE and greenhouse gas standards were finalized, yet promise to improve diesel passenger vehicles’ cost-effectiveness, especially for larger classes.
Diesel engines, aftertreatment, and emissions control have developed since 2012, improving diesel vehicles’ cost-effectiveness, particularly for larger passenger vehicle classes.
Summarizes the key barriers that impede the adoption of fuel-saving technologies in the trucking sector and discusses some of the ways policymakers can combat them.
Analyzes impacts of emerging vehicle efficiency technologies on consumer fuel savings, benefit-to-cost ratio, and payback period in the 2025–2030 time frame.
Evaluates the costs and benefits of extending Mexico’s program to 2025 by fully aligning with U.S. standards to support the adoption of a strong regulatory package.
Evaluates the level of technology adoption, costs, and efficiency improvement associated with alignment with the European Union’s 2021 emissions target of 95 gCO2/km (equivalent to 1.27 MJ/km) for new passenger cars in Brazil in 2023.