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Considers S. 2658, to increase vehicle weight and width limitations on roads of the Interstate Highway System.
Organized by state and province, this convenient handbook provides facts, best practices, practical tips for managing size and weight issues, plus helps drivers determine lawful ways to configure their tractor-trailers or straight trucks. This single-source handbook features an overview of tractor-trailer sizes and weights compliance requirements for all 50 states and Canada. It includes: U.S. federal bridge formula and table U.S. kingpin to rear axle limits table by state Vehicle size and weight limits for U.S. and Canada Weigh station locations Idling restrictions Tire chain requirements Speed limits State and provincial size and weight contact information English/metric system common conversions Designed for professional drivers of tractor-trailers and straight trucks, the easy-to-use Vehicle Sizes and Weights Handbook is also an excellent reference for transport trainers, dispatchers, and safety managers.
Organized by state and province, this convenient handbook provides facts, best practices, practical tips for managing size and weight issues, plus helps drivers determine lawful ways to configure their tractor-trailers or straight trucks. This single-source handbook features an overview of tractor-trailer sizes and weights compliance requirements for all 50 states and Canada. It includes ... : U.S. federal bridge formula and table; U.S. kingpin to rear axle limits table by state; Vehicle size and weight limits for U.S. and Canada; Weigh station locations; Idling restrictions; Tire chain require.
Technologies and Approaches to Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles evaluates various technologies and methods that could improve the fuel economy of medium- and heavy-duty vehicles, such as tractor-trailers, transit buses, and work trucks. The book also recommends approaches that federal agencies could use to regulate these vehicles' fuel consumption. Currently there are no fuel consumption standards for such vehicles, which account for about 26 percent of the transportation fuel used in the U.S. The miles-per-gallon measure used to regulate the fuel economy of passenger cars. is not appropriate for medium- and heavy-duty vehicles, which are designed above all to carry loads efficiently. Instead, any regulation of medium- and heavy-duty vehicles should use a metric that reflects the efficiency with which a vehicle moves goods or passengers, such as gallons per ton-mile, a unit that reflects the amount of fuel a vehicle would use to carry a ton of goods one mile. This is called load-specific fuel consumption (LSFC). The book estimates the improvements that various technologies could achieve over the next decade in seven vehicle types. For example, using advanced diesel engines in tractor-trailers could lower their fuel consumption by up to 20 percent by 2020, and improved aerodynamics could yield an 11 percent reduction. Hybrid powertrains could lower the fuel consumption of vehicles that stop frequently, such as garbage trucks and transit buses, by as much 35 percent in the same time frame.