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FedEx adds 1,900 new lightweight composite Reach vans to fleet; 35% fuel efficiency improvement

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liter Isuzu diesel engine, demonstrates a 35% fuel efficiency improvement over traditional vehicles in the FedEx Express fleet. FedEx is also working with XL Hybrids, a developer of low-cost hybrid electric powertrain system, to convert ten conventionally-powered panel vans into more fuel-efficient, hybrid vehicles.

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Global Commercial Vehicle Industry Meeting endorses harmonized global approach to improve fuel efficiency and reduce GHGs

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Meeting in Chicago, the chief executives of commercial vehicle and engine manufacturers in Europe, Japan, and the United States discussed fuel efficiency and greenhouse gas emissions reductions, diesel fuel specifications, and topics related to heavy-duty engine and vehicle regulation and certification.

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Alternative Fuel Technologies Awarded Phase 1 US Army Contract for Ultra-high Pressure Injection System for JP8

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Alternative Fuel Technology, LLC has been awarded a Phase 1 SBIR contract (W56HZV-10-C-0200) from the US Army to concept design and demonstrate an ultra-high pressure, intensified fuel injection system for use with jet propellant (JP-8) fuel. With most fuel injection systems, JP-8 fuel causes wear and premature failure.

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Comparative study finds that B20 increases emission rates of a number of pollutants in both light- and medium-duty diesel engines at idle

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L) diesel engines at idle and load, using a biodiesel blend (B20) and conventional ultralow sulfur diesel (ULSD) fuel. Their paper appears in the ACS journal Energy & Fuels. Information pertaining to these emissions in diesel engine exhaust is much less complete than that for the regulated pollutants. L) and medium-duty (6.4

Pollution 231
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LiquidPiston introduces latest X-series version of HEHC rotary engine; targeting 58% peak BTE, 2 hp/lb power density

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Isuzu D201 35 hp diesel engine (left) and the LiquidPiston 40 hp X2 Prototype (right). Other features of the X2 include: Quiet operation: engine lacks poppet valves and over-expansion minimizes exhaust noise. Click to enlarge. LiquidPiston, Inc. Power modulation by cycle skipping increases efficiency and recaptures heat.

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Study Finds Fumigation Ethanol Operation with Diesel Reduces PM and NOx, While Oxidation Catalyst Reduces Resulting Increased CO and HC

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A paper on their work was published online 14 October in the ACS journal Energy & Fuels. In addition, the diesel fuel used in previous research has a high sulfur content of 0.25% by weight. liter, naturally-aspirated, in-line four-cylinder direct-injection Isuzu diesel engine. —Tsang et al.

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New GM/Tula DSF cylinder deactivation technology could boost fuel efficiency in engines by up to 15%

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Comparison of DSF fuel economy gains and costs with competing technologies, from Tula’s 2013 SAE paper. The operation of each firing cylinder can be optimized for best thermal efficiency, subject to possible constraints such as air-fuel mixture ratio, peak pressures or temperatures (durability), and other factors. Wilcutts et al.

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