Remove 2000 Remove Economy Remove Exhaust Remove Market
article thumbnail

Chevrolet introduces second-generation Duramax 4-cylinder diesels; global engine

Green Car Congress

Applications include powering the Colorado pickup truck and Trailblazer SUV for the Thailand and Southeast Asian markets. Better efficiency also means better reliability, economy as well as lower emission levels. The redesigned and improved intake manifold allows increased exhaust gas recirculation and increases air intake efficiency.

Diesel 334
article thumbnail

U Toronto study measures GDI emissions in urban near-road environment

Green Car Congress

One response by automakers to increasingly stringent fuel economy requirements is the use of GDI engines, which offer up to a 25% improvement in fuel economy compared to port fuel injection (PFI) engines. Some projections expect the 2016 market share of new LDVs with GDI engines to exceed 50%. —Zimmerman et al.

article thumbnail

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

Green Car Congress

Audi of America introduced four new TDI clean diesel models for the US market this year—the Audi A8, A7, A6, Q5—along with an updated Q7 TDI, all equipped with a second-generation 3.0L Do they receive HOV access for their improved fuel economy and ultra low emissions? Audi''s Gen 2 3.0L Click to enlarge. Earlier post.)

Diesel 366
article thumbnail

SwRI D-EGR gasoline demo vehicle delivers diesel efficiency at lower cost; potential for LEV III/Tier 3 emissions

Green Car Congress

improvement in city fuel economy (24.5 Southwest Research Institute (SwRI) announced preliminary test results of its Dedicated-Exhaust Gas Recirculation (D-EGR) demonstration vehicle ( earlier post ) at the SAE 2014 World Congress in Detroit. D-EGR brake specific fuel consumption (BSFC) at 2000 rpm 2 bar BMEP dropped 14.3%

Gasoline 317
article thumbnail

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

Green Car Congress

In addition, its diesel version is the top selling passenger car diesel in the market here, with about 29% share, according to figures compiled by Baum & Associates and hybridcars.com. TDI Clean Diesel EA288 engine ( earlier post ) with an EPA-rated highway fuel economy rating of 46 mpg with the manual transmission (45 mpg automatic).

2015 262
article thumbnail

Jaguar adds two new smaller forced induction gasoline engines to 2013 XF and XJ lineup; 8-speed automatic and start-stop

Green Car Congress

The eight-speed transmission is allied to Jaguar’s Intelligent Stop/Start system on all turbodiesel and V6 and V8 gasoline engines (market dependent). The turbine housing for the low inertia turbocharger is integrated with the lightweight, thin-walled exhaust manifold, shortening the engine and catalyst warm up times and reducing emissions.

Gasoline 225
article thumbnail

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

Green Car Congress

The new front-wheel drive Vito is a very light vehicle, and is being marketed at a very attractive price. Emission control comes via exhaust gas recirculation, a diesel particulate filter and an oxidation catalytic converter. torque 230 N·m at 1500–2000 rpm. t and 3.05 t permissible gross vehicle weights.

Mercedes 246