Green Car Congress

AUGUST 13, 2021

Perhaps surprisingly, the greenhouse gas footprint of blue hydrogen is more than 20% greater than burning natural gas or coal for heat and some 60% greater than burning diesel oil for heat, again with our default assumptions. —Howarth and Jacobson. Carbon dioxide equivalent emissions of fugitive, unburned methane are shown in red.

Hydrogen 414

Hydrogen Gas Coal Exhaust 414

Green Car Congress

SEPTEMBER 23, 2020

Tula Technology is presenting its diesel Dynamic Skip Fire (dDSF) technology ( earlier post ) at the 4 th Future Diesel Powertrain Summit China 2020 on 24-25 September 2020 in Shanghai, China. Comparison of baseline and dDSF CO 2 and NO x on HD FTP cycle and LLC. dDSF Simulation Project. Source: Tula.

Diesel 221

Diesel Future Fuel Economy 2020 221

Green Car Congress

FEBRUARY 3, 2014

Audi testing of synthetic ethanol (Audi e-ethanol = Joule Sunflow-E) and synthetic diesel (Audi e-diesel = Joule Sunflow-D), produced in partnership with Joule ( earlier post ) in a pressure chamber and optical research engine has shown that the Audi e-fuels often perform better than their conventional counterparts. Click to enlarge.

Audi 285

Audi Diesel Fuel New Mexico 285

Green Car Congress

APRIL 27, 2018

Opel is introducing a new advanced diesel in the Grandland X compact sport utility vehicle (SUV). liter, four-cylinder, turbocharged diesel is more powerful and more economical than the engine it replaces. WLTP measurements converted to NEDC values for comparison purposes.) In comparison to its predecessor, the 88 kW/120 hp 1.6-liter

Diesel 236

Diesel Exhaust Engine Fuel 236

Green Car Congress

JULY 16, 2013

Volkswagen has introduced a new version of the Golf GTD (“Gran Turismo Diesel”) in Europe, and plans to bring it to the US market, reportedly likely for the 2016 model year. diesel delivering 184 horsepower (137 kW), 280 lb-ft (380 N·m) of torque, CO 2 emissions of 109 g/km, and a NEDC combined fuel economy figure of 56 mpg US (4.2

Diesel 304

Diesel Exhaust MPH MPG 304

Green Car Congress

MAY 29, 2014

Other research has shown that carbonyls directly influence physiological response to diesel exhaust particles and can also contribute to secondary organic aerosol formation. However, the use of CFT resulted in a remarkable reduction in carbonyl emissions in comparison with using DF. Jakober, 2008). In addition, there was an 18.0–35.8%

Coal 210

Coal Diesel Emissions Fuel 210

Green Car Congress

OCTOBER 20, 2012

L) diesel engines at idle and load, using a biodiesel blend (B20) and conventional ultralow sulfur diesel (ULSD) fuel. They found that the level of emissions of regulated and unregulated pollutants in diesel exhaust depends on fuel, load, engine calibration, and exhaust aftertreatment technology.

Pollution 231

Pollution Diesel Emissions Engine 231

Green Car Congress

MAY 21, 2020

The VW diesel scandal began on 18 September 2015. On the opening day of the Frankfurt International Motor Show (IAA), the US Environmental Protection Agency (EPA) published a Notice of Violation: VW diesel engines with 1.6 liter diesel the emissions were even 53% worse. liter diesel the emissions were even 53% worse.

Diesel 207

Diesel Engine Exhaust Emissions 207

Green Car Congress

FEBRUARY 9, 2017

Diesel-powered commuter trains may expose their passengers to elevated levels of certain black carbon and ultrafine particles, especially in the coach directly behind the locomotive, according to a new study from researchers at the University of Toronto. A paper on the study is published in the journal Atmospheric Environment.

Exhaust 150

Exhaust Diesel Power Powered 150

Green Car Congress

DECEMBER 19, 2014

Alongside three Volvo 7900 Electric Hybrid buses, Volvo’s diesel hybrid buses in both 18 m articulated and 12 m versions will also be tested on the route, as well as battery fuel cell buses and fuel cell buses from other manufacturers. The 4-cylinder, 5-liter Volvo D5F diesel engine produces 215 bhp and is installed vertically.

PHEV 316

PHEV Hybrid Volvo Charging 316

Green Car Congress

FEBRUARY 7, 2014

Additionally, the A 200 CDI 4MATIC and A 220 CDI 4MATIC represent the first all-wheel-drive diesel models forming part of the new generation of compact cars from Mercedes-Benz. This reliably prevents wall moistening, which is the basis for extremely low particle emissions and thus compliance with the EU6 Stage 2 exhaust gas standard.

Fuel Economy 236

Fuel Economy Mercedes Diesel Fuel 236

Green Car Congress

APRIL 24, 2011

Comparison of optimized start of injection of advanced diesel combustion for brake thermal efficiency, NO x , PM, THC, and CO of diesel (open bar); HTFT (gray bar); and LTFT (black bar) fuels. Conventional diesel fuels are optimized for conventional diesel operation. Credit: ACS, Lilik and Boehman.

Diesel 236

Diesel Pollution Fuel Emissions 236

Green Car Congress

MARCH 4, 2019

Mercedes-Benz is expanding Vito van range with enhancements including new high-torque four-cylinder diesel engines for the Vito Tourer with passenger car approval. In comparison to the predecessor, the new OM 654 diesel engine range reduces emissions and fuel consumption while also optimizing noise and vibration comfort.

Mercedes 186

Mercedes Diesel Engine Exhaust 186

Green Car Congress

MAY 8, 2014

The prototype is fueled by diesel, a first step in proving the technology before developing a new LNG fuel system. Motiv suggests that the MkII engine will be up to twice as efficient as a conventional automobile engine and up to 20% more efficient than modern diesel engines. All valves are actuated by overhead cams. and O’Malley, E.

Engine 345

Engine Concept Design Exhaust 345

Green Car Congress

JUNE 24, 2013

During a media event in Wolfsburg, Germany, Volkswagen provided a medium dive into details of its two-seater XL1 Super Efficient Vehicle diesel plug-in hybrid ( earlier post ) as well as some driving time on local roads and highways. two-cylinder diesel, 20 kW electric motor and 5.5 The two-cylinder diesel is very audible when it runs.

Plug-in 324

Plug-in Diesel Plug Hybrid 324

Green Car Congress

OCTOBER 10, 2013

liter Volkswagen light-duty diesel engine and Klam dynamometer running at various throttle and brake settings over a 9-mode steady-state cycle to enable triplicate time-resolved measurement of particle number distributions with a scanning mobility particle sizer. Biodiesel Diesel Emissions Fuels Health'

B0 210

B0 Diesel Emissions Exhaust 210

Green Car Congress

SEPTEMBER 15, 2009

The diesel-electric full-hybrid vehicle, weighing just 380 kilograms (838 lbs), offers an initial glimpse at how a future production version might appear. TDI (the smallest diesel engine intended for production applications ever built by Volkswagen); a 10 kW motor; and 7-speed DSG installed at the rear. Click to enlarge.

Diesel 296

Diesel Concept Design Hybrid 296

Green Car Congress

AUGUST 30, 2011

with technologies such as direct fuel injection, variable valve timing, exhaust-driven turbochargers, brake energy regeneration and Auto Start Stop function—about 60% of the generated energy is still lost, half of it being exhaust heat, with the remaining half as heat absorbed by the engine cooling system. Click to enlarge.

Waste 376

Waste BMW Exhaust Gas-Electric 376

Green Car Congress

MARCH 20, 2012

A new report highlights the results of research work carried out by Ricardo and TRL on behalf of the UK Department for Transport, exploring the means by which improvements in diesel fuel efficiency could be realized within the rail network of Great Britain. A gas exchange system upgrade for DMUs.

Diesel 218

Diesel Fuel Gas Fuel Economy 218

Green Car Congress

SEPTEMBER 2, 2009

Subaru is now applying the 110 kW (148 hp) boxer diesel engine in the Impreza hatchback in Europe. liter diesel already appears in Legacy, Outback and Forester. The boxer diesel is matched to a six-speed manual gearbox. Cylinder bore spacing is also reduced in comparison—98.4 Earlier post.). The Impreza 2.0D

Diesel 186

Diesel MPH Gasoline Convert 186

Green Car Congress

NOVEMBER 7, 2011

Cummins is one year into a four year program (ATLAS, Advanced Technology Light Automotive Systems) to develop, in partnership with the US Department of Energy (DOE), a new light-duty diesel truck engine that will meet Tier 2 Bin 2 (SULEV) emission requirements while achieving at least a 40% fuel economy improvement (26.1 mpg US vs. 18.6

Light 199

Light Diesel MPG Nissan 199

Green Car Congress

AUGUST 30, 2018

A KAIST research team has developed a fully dispersed Rh ensemble catalyst (ENS) that shows better performance at lower temperatures than commercial diesel oxidation catalyst (DOC). This newly developed ENSs could improve low-temperature automobile exhaust treatment. Source: KAIST. 8b04613.

Commercial 186

Commercial Diesel Exhaust Automobile 186

Green Car Congress

MARCH 4, 2010

The chart shows heat release from a standard diesel combustion cycle (solid black line), overlaid with the heat release from a TSCi cycle (dashed blue line). TSCi combustion minimizes heat loss to the cylinder walls and in the exhaust. The Syracuse team, for example, is using exhaust gas heat to help bring the fuel to SC states.)

Fuel Economy 297

Fuel Economy Fuel Economy 2014 297

Green Car Congress

APRIL 17, 2014

Compared to new diesel engines, the Delphi team found that BSFC for GDCI at light loads was comparable or better, and at high loads was about 5% higher. A high octane fuel was injected late on the compression stroke of a boosted diesel engine operating with high EGR. Very low fuel consumption, NO x , and PM emissions were measured.

Gasoline 304

Gasoline Engine Fuel Wisconsin 304

Green Car Congress

JULY 6, 2010

gasoline and Diesel fuel), alcohol-based liquid fuels (e.g., There are two basic exhaust emissions and fuel economy tests described in J1711. Until now, the fuel economy claims for plug-in hybrids were not calculated according to similar procedures, making car-to-car comparisons virtually impossible. Earlier post.)

Fuel Economy 186

Fuel Economy Exhaust Plug-in Economy 186

Green Car Congress

MARCH 19, 2018

Volkswagen has developed and deployed a gasoline engine that offers diesel-like fuel economy but is significantly cheaper to buy. By way of comparison: a conventional turbo system diverts part of the exhaust gas stream needed for the forced induction away from the turbine via a wastegate valve as a function of its operating state.

Fuel Economy 257

Fuel Economy Gasoline Engine Economy 257

Green Car Congress

APRIL 18, 2016

A new study by a team from the University of Edinburgh and independent engineering company INNAS BV has found that, when factoring in the additional weight and non-exhaust PM factors, total PM 10 emissions from electric vehicles (EVs) are equal to those of modern internal combustion engine vehicles (ICEVs). mg/vkm for diesel cars.

Exhaust 150

Exhaust Emissions Gasoline-Electric 2016 150

Green Car Congress

AUGUST 3, 2009

Researchers at the University of Wisconsin, led by Dr. Rolf Reitz, are investigating a blended dual-fuel (gasoline and diesel) concept to extend the operating range of partially premixed charge compression ignition combustion by using the varying fuel reactivity of the charge blend, which is determined in real time. Source: Rolf Reitz.

Wisconsin 225

Wisconsin Gasoline Diesel Universal 225

Green Car Congress

APRIL 9, 2010

It provides an air-standard analysis of efficiency, including a comparison to conventional engine technologies. The thermodynamic efficiency of the HEHC cycle offers a 20% to 50% improvement over the best diesel engines, according to the company. Edward Richards, CEO of LiquidPiston.

Congress 268

Congress 2010 Engine Exhaust 268

Green Car Congress

JUNE 9, 2011

diesel for the ML350 BlueTEC model that which meets emissions standards in all 50 states and delivers improved performance, yet with considerably reduced fuel consumption. The positive results at AMG led Mercedes-Benz to adapt this cylinder wall coating technology for use in the V6 diesel engine as well. Cylinders. Displacement cc.

Mercedes 186

Mercedes Diesel SUV Fuel Economy 186

Green Car Congress

AUGUST 31, 2009

liter Power Stroke V-8 turbocharged diesel engine. liter Power Stroke V-8 turbo diesel engine. The inboard exhaust design reduces overall exhaust system volume. Reduced exhaust system surface area also minimizes heat transfer to the engine compartment and improves NVH. Click to enlarge. All-new design.

Diesel 150

Diesel Ford Power Powered 150

Green Car Congress

OCTOBER 12, 2010

The power supply unit can run on biodiesel as well as regular diesel. In trials, a 250-W solid-acid fuel cell stack ran on both pure hydrogen and on hydrogen produced from diesel by the unit’s reformer, with only an insignificant difference in performance. 2006) Cool flame evaporation for diesel reforming technology.

Norway 199

Norway Diesel Fuel Hydrogen 199

Green Car Congress

JUNE 23, 2011

The recuperated engine uses isothermal compression via cryogenic injection to enable significant exhaust to compressed gas heat transfer. Recuperator to transfer heat from exhaust gas to compressed air. Example of a recuperated diesel cycle with high compression ratio and isothermal compression. Source: Neville Jackson.

Exhaust 285

Exhaust Concept Vehicles Engine 285

Green Car Congress

FEBRUARY 15, 2016

Mercedes-Benz is introducing a new family of diesel engines, starting with the new all-aluminum four-cylinder OM 654, which will make its world premiere in the new E-Class E 220 d in spring 2016. In our opinion, the diesel engine is indispensable in trucks and cars if we want to further reduce the CO 2 emissions from traffic.

Diesel 150

Diesel Mercedes Fuel Exhaust 150

Green Car Congress

JUNE 29, 2013

improvement in total fluid consumption (diesel + diesel exhaust fluid for SCR) over conventional diesel combustion. The pair assumed that the conventional diesel combustion mode used selective catalytic reduction (SCR) to meet NO x constraints. Earlier post.). Earlier post.). —Kokjohn and Reitz.

Light 207

Light Engine Wisconsin Fuel Economy 207

Green Car Congress

MAY 7, 2014

Exhaust gas is treated by a standard passive three-way catalyst that does not require the use of any additives. With regards to emissions, Euro VI natural gas engines are much “greener” than their Euro VI Diesel counterpart. Natural gas PM emissions are 95% lower in comparison to diesel, and 35% lower in NO x.

Gas 218

Gas Diesel Convert Exhaust 218

Green Car Congress

JANUARY 20, 2014

At the North American International Auto Show (NAIAS) in Detroit, tier one supplier KSPG is showcasing systems for cars, light and medium-duty commercial vehicles and components for efficient fuel and emission reduction for both gasoline and diesel vehicles. One such measure is cooled exhaust gas recirculation. Click to enlarge.

Fuel 199

Fuel Exhaust Diesel Engine 199