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Study shows two-stroke scooters dominant source of air pollution in many cities; asymmetric polluters

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Chemical analysis of the emissions shows that SOA is mainly produced via photo-oxidation of aromatic VOCs, present in gasoline, from the exhaust. Finally, we present the first online measurements of aged exhaust showing that SOA formation also produces reactive oxygen species (ROS) with potentially detrimental effects on our lungs.

Pollution 362
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Ricardo/TRL report on improving GB diesel rail fuel efficiency recommends two tech packages for implementation, including gas exchange system and idle stop/start

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This would include a new turbocharger and corresponding exhaust manifold modifications, and a new air filter to reduce inlet pressure loss. Using an analysis of the payback of seven proposed technology packages, the report recommends two technology packages for implementation in the GB rail fleet: Package 1. Background.

Diesel 218
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BMW Technology Day 2009: Focus on Aerodynamics, Two New Engines and 8-Speed Transmission

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In comparison with the straight-six featuring Twin Turbo technology and High Precision Injection already featured in several model series, the engine at the same time offers a further reduction of fuel consumption by up to 9%. The engine will meet the Euro 5 standard in Europe and ULEV II in the US. Eight-speed transmission.

BMW 199
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Volkswagen introduces new 1L, 3-cylinder gasoline Golf; 54.7 mpg

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In Europe, Volkswagen has introduced the new Golf TSI BlueMotion featuring a new 1.0-liter, Golf Comparisons. Exhaust manifold integrated in cylinder head. The exhaust manifold of the 1.0 The exhaust manifold of the 1.0 liter, 3-cylinder with low fuel consumption of 4.3 l/100 km (54.7 engine) introduced in 1975.

Gasoline 150
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Scania unveils Euro 6 heavy-duty engines

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Comparison of emission standards. Euro 6 is the first step towards the implementation of world harmonized emission standards, encompassing Europe, North America and Japan, and this will facilitate coordination and development for future standards. Click to enlarge. Scania’s own engine management system is used on the entire range.

Engine 236
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Major refresh on 2015 Honda CR-V with new Earth Dreams powertrain provides fuel economy gain of up to 12%

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A lightweight cylinder head made of pressure-cast aluminum alloy uses front-located exhaust ports that provide greater freedom in the layout of the close-coupled catalytic converter which mounts directly to the cylinder head. The cam drive is designed to be maintenance free throughout the life of the engine.