Remove 2000 Remove Convert Remove Exhaust Remove MPG
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 GVW) segment.

Mercedes 246
article thumbnail

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

Green Car Congress

mpg) and a 9.2% 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. The D-EGR demonstrator is a converted 2012 Buick Regal with a 2.0-liter Overall, the engine offered a 13.1%

Gasoline 317
article thumbnail

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

Green Car Congress

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 Jetta TDI. % Δ City mpg (l/100km). Highway mpg (l/100 km). Combined mpg (l/100km). In other words, there is not a separate intake or exhaust camshaft.

2015 262
article thumbnail

Mercedes-Benz introduces next-gen OM 471 heavy-duty engine; more fuel efficient, more torque with fast build-up at very low revs

Green Car Congress

mpg US) on a demanding route covered at full load capacity, the latest-generation OM 471 engine would save around 1100 liters (291 gallons) of fuel a year and emit about three tonnes less CO 2. 1; and a reduced exhaust gas recirculation rate (EGR rate). Exhaust gas recirculation. liters/100 km (8.25

Mercedes 150
article thumbnail

Fiat Launches New 1.8L Gasoline Direct-Injection Turbo in Lancia Delta

Green Car Congress

liters per 100 km (30 mpg US), 185 g CO 2 /km and a Euro 5 homologation. The system defines the angle and overlapping time of the valves with precision in order to generate direct air flow from the intake to the exhaust manifolds and start the turbocharger in very short times. Equipped with the 200 HP 1.8 Scavenging. Friction losses.

Gasoline 150
article thumbnail

Downsized 5.5L V8 Biturbo in S 63 AMG Delivers 25% Fuel Savings Compared to Predecessor; Stop-Start is Standard

Green Car Congress

mpg US) (NEDC combined consumption, provisional figure)—a fuel savings of 25% compared to the current S63 AMG. With the AMG Performance package, the engine delivers 875 N·m of torque at 2000 rpm, with a constant 900 N·m available between 2500 and 3750 rpm. The new AMG 5.5-liter liters per 100 kilometers (22.4

article thumbnail

Researchers propose evaluating alt fuel efficiency based on energy rather than volume; impact of ethanol on vehicle efficiency and GHGs

Green Car Congress

converted all vehicle efficiency measurements into vehicle energy efficiency (VEE, km/MJ) based on fuel energy densities reported in each study. Standard deviations increase by >10% and >200% when used in high and low blends, respectively. Most of the studies expressed vehicle efficiency in various volume-based units.

Fuel 210