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Mack Granite CNG truck exclusively equipped with Allison’s 4500 Rugged Duty Series transmission

Green Car Congress

When Mack set out to develop a vehicle for refuse collection customers seeking an alternative fuel solution, they were able to pair the proven 4500 RDS transmission with a 320-horsepower Cummins L9N engine. The 4500 RDS fully automatic transmission has been offered in the Mack Granite diesel model for more than 20 years.

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NHTSA proposes updated CAFE standards for LDVs, fuel-efficiency standards for HD pickups and vans

Green Car Congress

NHTSA currently projects that the proposed standards would require an industry fleet-wide average for passenger cars and light trucks of roughly 58 miles per gallon (mpg) in MY 2032 and an industry fleet-wide average for HDPUVs of roughly 2.6 The proposal also models a range of additional alternatives.

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Tech: Renewable Diesel: A Sustainable Substitute

Clean Fleet Report

A Fuel Switch for Today Continues To Evolve In the past, renewable diesel was considered a niche product that failed to attract mainstream investor interest. Today, it is a cost-neutral way for fleet owners to achieve their goals by allowing them to convert an entire diesel-powered fleet to alternative fuel overnight.

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UPS updates 125 Workhorse E-GEN series hybrid electric step vans with smaller genset engine for better fuel economy

Green Car Congress

UPS announced an update to 125 Workhorse E-GEN series hybrid electric delivery trucks that improve fuel economy as part of the company’s broader Rolling Laboratory approach. A compact, quiet-running 650cc 2-cylinder engine replaces the previous 2.4L The smaller engine will improve fuel economy, however.

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CARB: clean fuels replaced more than 50% of diesel used in California in Q1 2023

Green Car Congress

Each sphere represents a certified fuel pathway; the size of the sphere represents the reported volume of the fuel in 2022, while its position on the horizontal axis indicates the carbon intensity of that fuel.

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EPA annual trends report finds new vehicle fuel economy at record 24.1 mpg; new powertrain technologies rapidly gaining share

Green Car Congress

EPA released the latest edition of its annual report on trends in CO 2 emissions, fuel economy and powertrain technology for new personal vehicles in the US. Fuel economy has now increased in eight of the last nine years; average carbon dioxide emissions are also at a record low of 369 g/mile in model year 2013.

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UPS adding 200 more series hybrid delivery trucks

Green Car Congress

UPS will add 200 new series hybrid electric delivery trucks to the company’s growing alternative fuel and advanced technology fleet. The vehicles have the same 650cc 2-cylinder engine and E-GEN chassis as the 125 vehicles UPS announced earlier this year. Earlier post.). The trucks, manufactured by Workhorse Group, Inc.,

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