article thumbnail

EU investing >€3M in research into ultra-efficient aero engines; ULTIMATE project

Green Car Congress

Europe’s Strategic Research and Innovation Agenda (SRIA 2050) outlines a 75% reduction in aviation CO 2 emissions to year 2050 relative to a year 2000 reference. The EU is targeting a 75% reduction in carbon dioxide emissions per passenger kilometer between the years 2000 and 2050. Core exhaust loss. Bypass flow loss.

Engine 150
article thumbnail

2015 VW Jetta TDI: a more refined, powerful and efficient diesel within a nicely redesigned model line

Green Car Congress

The aluminum-alloy cross-flow cylinder head has a novel placement of intake and exhaust valves; the intake and exhaust ports for each cylinder are positioned one behind the other in the direction of flow. In other words, there is not a separate intake or exhaust camshaft. Top: Valve layout. We can now adjust about 50 ?

2015 262
article thumbnail

Ricardo and Doosan DL06 diesel with TVCS achieves Tier 4f emissions without need for DPF

Green Car Congress

Ricardo and Korea-based Doosan Infracore presented details of the latest DL06 engine at the 22 nd Aachen Colloquium on automobile and engine technology in Germany. Click to enlarge. The Doosan DL06 engine is a turbocharged and intercooled 5.9-liter, liter, in-line 6-cylinder diesel engine used in both on-highway and off-highway applications.

Emissions 239
article thumbnail

UPS adds 48 more heavy-duty LNG tractor trucks to fleet; Westport HD System

Green Car Congress

The Westport HD System consists of the GX 15-liter engine (based on the Cummins ISX diesel engine with cooled exhaust gas recirculation), proprietary Westport fuel injectors, LNG fuel tanks with integrated cryogenic fuel pumps, and associated electronic components to facilitate robust performance and reliable operation.

Las Vegas 186
article thumbnail

Mercedes-Benz introduces new Vito mid-size van; up to 41.3 mpg US, new front-wheel drive option

Green Car Congress

Emission control comes via exhaust gas recirculation, a diesel particulate filter and an oxidation catalytic converter. torque 230 N·m at 1500–2000 rpm. The double overhead camshaft operates a total of 16 inlet and exhaust valves and is driven by a combination of gearwheels and a short chain. t and 3.05

Mercedes 246
article thumbnail

Audi banking on Gen 2 3.0L TDI diesel for US sales; calls for a “fair shot” for diesel

Green Car Congress

Axel Macher, head of Thermodynamics/Application V6 TDI at Audi in Neckarsulm, Germany. For the second-generation, Audi further optimized the turbo with integral insulation and by moving away from flange-based mounting to the exhaust manifolds to an integrated component. Changes in the exhaust manifolds and turbo from Gen 1 to Gen 2.

Diesel 366
article thumbnail

EEA Report: Trends in European Transport Are Heading in the Wrong Direction

Green Car Congress

Despite a reduction in road transport exhaust emissions across Europe, there have been no significant improvements in concentrations of fine particulates (PM 10 ) and nitrogen oxides (NO x ), which have a major impact on air quality and human health. TERM reports have been published since 2000.