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International

Rmi Outlet

Mobility

Plug-In Hybrid Electric Vehicles and Environmentally Beneficial Load Building: Implications on California’s Revenue Adjustment Mechanism

Plug-in hybrid electric vehicles are poised to allow, for the first time, large-scale interaction between the transportation and electric utility sectors. Electricity is a more efficient vehicle fuel than are liquid fossil fuels, and it can reduce system-wide greenhouse-gas emissions by transferring energy demand and emissions from the transportation to…

Transformational Trucks: Determining the Energy Efficiency Limits of a Class-8 Tractor Trailer

Feasible technological improvements in vehicle efficiency, combined with “long combination vehicles” (which raise productivity by connecting multiple trailers), can potentially raise the ton-mile efficiency of long-haul heavy tractor-trailers by a factor ~2.5 with respect to a baseline of 130 ton-miles/gal. Within existing technological and logistical constraints, these innovations (which do…

Triple Safety: Lightweighting Automobiles to Improve Occupant, Highway, and Global Safety

Automobilesʼ negative impact on human health and welfare includes traffic-related deaths and injuries as well as the deaths and injuries caused by automobilesʼ contribution to climate change and other global environmental degradation. This paper explores solutions that both enhance vehicle performance and reduce environmental impacts, and focuses on demonstrating the…

Feebates: a Legislative Option to Encourage Continuous Improvements to Automobile Efficiency

A feebate is an incentive policy that encourages the continuous improvement to automobile fuel economy and greenhouse gas emissions by providing incentives for manufacturers to build more efficient vehicles and rewarding consumers who purchase more efficient vehicles. The feebate concept is simple in concept: inefficient vehicles receive a surcharge (FEE-),…

Ultralight Vehicles: Non-Linear Correlations Between Weight and Safety

Development of dramatically lightweight and fuel-efficient vehicles has been slowed by perceptions that lighter vehicles are less safe. Highly safe lightweight vehicles may seem counterintuitive. Yet, size need not determine the weight of a vehicle and vehicle safety is primarily a function of design. RMI virtually modeled an ultralight concept…