Green Car Congress

SEPTEMBER 16, 2020

Audi is adding a new member to its A3 family: the A3 Sportback 30 g-tron natural gas vehicle. Operation with natural gas or biomethane makes the compact model economical and more climate-friendly with low emissions. With full gas tanks, the car has an NEDC range of up to 495 (307.6 The A3 Sportback 30 g-tron 1.5

Audi 504

Audi Gas Gas-Electric Gasoline-Electric 504

Green Car Congress

NOVEMBER 19, 2014

The X Mini 70cc rotary gasoline engine. As the engine does not have poppet valves and the gas is fully expanded before the exhaust stroke starts, the engine also has potential to be quiet. Click to enlarge. The rotary engine architecture shows a potential indicated efficiency of 60% and brake efficiency of >50%.

Gasoline 379

Gasoline Engine Powered Power 379

Green Car Congress

OCTOBER 16, 2012

Opel revealed more details about its new mid-size gasoline engine family at the Aachen Colloquium in Germany. For mass reduction the midsize gasoline engine features a two-piece crankcase design, supported at the lower end by a die-cast aluminum bedplate. The engine retains the proven concept of a turbine-integrated exhaust manifold.

Gasoline 350

Gasoline Engine Fuel Powered 350

Green Car Congress

APRIL 9, 2014

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. liter gasoline direct injection engine. Hydrogen-enriched exhaust is routed to the intake. Click to enlarge.

Gasoline 317

Gasoline Emissions Diesel Exhaust 317

Green Car Congress

JANUARY 11, 2014

Petrobras launched new regular and premium ultra-low-sulfur gasoline throughout Brazil on 1 January 2014, entirely replacing the previous regular and premium gasoline. California, Europe, Japan, South Korea, and several other countries have gasoline sulfur limits of 10 ppm. Earlier post.). Click to enlarge. billion (US$8.7

Brazil 247

Brazil Gasoline South Korea 2005 247

Green Car Congress

DECEMBER 5, 2012

natural gas vehicle. natural gas vehicle, previewed in a concept form in 2011 ( earlier post ) and revealed in its production version at the Geneva auto show in March this year, in Europe. m 3 ) of natural gas per 100 km—equivalent to CO 2 emissions of 79 g/km. Like the gasoline engines of the up!, The eco up!

Gas 291

Gas CO2 Vehicles Gas-Electric 291

Green Car Congress

JUNE 23, 2014

Cost of the new engine relative to gasoline baseline. The approach that Cummins and partners have taken features: Replacing the aluminium V8 gasoline engine and emission control system with smaller diesel (2.8-liter) Exhaust system configuration. Earlier post.). l/100 km) for a vehicle of that size. Source: Cummins.

Fuel Economy 357

Fuel Economy Economy Gasoline Downsizing 357

Green Car Congress

APRIL 9, 2021

The ORNL team conducted engine experiments with both 91 RON E10 gasoline and liquified petroleum gas (LPG). 1) with cooled exhaust gas recirculation (EGR) and high compression ratio (13.3:1 higher H/C ratio) than gasoline. The unique high stroke-to-bore engine design (1.5:1) and 32.6%, respectively. Splitter et al.

Diesel 468

Diesel Engine Gasoline Fuel 468

Green Car Congress

SEPTEMBER 29, 2018

liter TSI gasoline version, but integrates components that allow it to run on compressed natural gas. One of the challenges of CNG is cold weather starting, so although the Arona TGI is primarily powered by gas, to counter this, the vehicle starts the engine with gasoline when exterior temperature falls below -10 °C (14 ?

Gas 247

Gas SUV Fuel Gasoline 247

Green Car Congress

MARCH 22, 2014

liter diesel, prominently showing the closely attached exhaust aftertreatment system. Volkswagen also has a modular gasoline engine toolkit, the MOB (Modularen Ottomotor Baukasten), which includes the new EA211 series. The cylinder head intake and exhaust valves are arranged one behind the other. The EA288 2.0-liter

Diesel 384

Diesel Engine Exhaust Water 384

Green Car Congress

NOVEMBER 19, 2018

The University of Bath and SAIC Motor UK Technical Centre are collaborating on a project to identify the most efficient conditions for the optimum performance of gasoline particulate filters (GPFs), to help minimize vehicle impact on the environment.

Universal 236

Universal Gasoline Motors Motoring 236

Green Car Congress

MARCH 15, 2019

The new Volkswagen Golf Variant TGI with three natural gas tanks. Golf Variant 1,5 TGI fuel consumption natural gas CNG in kg/100 km: urban 4.7 No need to compromise on space: Golf Variant TGI1 with space-saving natural gas tanks as integrated underfloor solution ›. Third natural gas tank for additional range of 80 kilometres ›.

Gas 247

Gas Available Range Gasoline 247

Green Car Congress

MAY 16, 2019

Reducing the number of exhaust gas particulates, including those smaller than 23 nm, will help manufacturers meet increasingly stringent future global emissions standards. —Walter Piock, chief engineer, Gasoline Systems, Delphi Technologies. Delphi 500+ bar GDi pump.

Emissions 257

Emissions Gasoline Fuel Exhaust 257

Green Car Congress

JULY 21, 2023

A new study by researchers from Washington State University and SLAC National Accelerator Laboratory has found that a catalyst using a single or just a few palladium atoms removed 90% of unburned methane from natural gas engine exhaust at low temperatures. The work is published in the journal Nature Catalysis.

Exhaust 195

Exhaust Engine Gas Carbon 195

Green Car Congress

MARCH 5, 2018

Under this same operating condition with stoichiometric engine exhaust (and no reforming), they could only sustain stable combustion with EGR under 25%. D-EGR uses fuel-rich combustion in one cylinder and recirculates its exhaust to the intake system, generating brake thermal efficiency as high as 42.5% —Jim Szybist, ORNL.

Engine 274

Engine Gasoline Fuel Exhaust 274

Green Car Congress

JUNE 6, 2018

The 85 kW / 115 PS gasoline-fired engine is the first of its kind to be combined with a four-way catalytic converter and installed in the up! It also comes with a gasoline particulate filter. With a pressure of 350 bar (high for a gasoline engine), the fuel mixture is injected directly into the combustion chambers.

2018 305

2018 Engine International Exhaust 305

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 19, 2018

Volkswagen has developed and deployed a gasoline engine that offers diesel-like fuel economy but is significantly cheaper to buy. Compared with other gasoline engines, the intake valves of the 1.5 Chargers of this kind combined with gasoline engines are usually found only in high-performance cars. l/100 km (49 mpg US).

Fuel Economy 257

Fuel Economy Gasoline Engine Economy 257

Green Car Congress

APRIL 10, 2014

Toyota Motor Corporation has developed a new series of fuel-efficient gasoline engines that achieve improved thermal efficiency. liter gasoline engine in which Toyota is employing the Atkinson cycle—normally used in dedicated hybrid engines—and a compression ratio of 13.5:1. Click to enlarge. One of the engines is a 1.3-liter

Gasoline 273

Gasoline Toyota Engine Fuel 273

Green Car Congress

AUGUST 30, 2019

Since 2018, Volkswagen has used only SCR exhaust gas treatment systems with its diesel engines. SCR (selective catalytic reduction) technology significantly reduces nitrogen oxides in the exhaust gas. Volkswagen has now developed the next evolutionary stage of its SCR system: “twin dosing”.

Diesel 308

Diesel Exhaust Convert Conversion 308

Green Car Congress

JUNE 8, 2023

The levels of these non-fuel-derived gases will likely remain unchanged, even as more drivers transition from gas-powered to electric vehicles. Cars’ average carbon dioxide emissions have dropped by 25% since the early 2000s, according to the US Environmental Protection Agency (EPA), but this gas only accounts for part of the total.

Emissions 397

Emissions Exhaust Cars Ozone 397

Green Car Congress

MAY 24, 2017

Based on a three-year study of toxic and environmentally relevant pollutants from gasoline direct injection (GDI) engines, Swiss researchers have concluded that some GDI engines emit just as many soot particles as unfiltered diesel cars did in the past. Further, the GDI particles carry numerous carcinogenic substances. —Norbert Heeb.

Engine 271

Engine Exhaust Gasoline Diesel 271

Green Car Congress

NOVEMBER 5, 2019

These include fully-electric systems, as well as a gasoline-generated EV system (known as e-POWER at Nissan, earlier post ) in which a gasoline engine generates electrical power stored in a battery (series hybrid), which can then be delivered to all four wheels through a pair of high-output electric motors. Earlier post.)

Infinity 225

Infinity Gasoline Powered Power 225

Green Car Congress

JUNE 4, 2018

As of July 2018, all BMW gasoline and plug-in hybrid models available in Germany will be fitted as standard with a gasoline particulate filter (GPF) and thus will comply with the exhaust standard Euro 6d-TEMP. In addition, another 39 diesel models will be going on the market with Euro 6d-TEMP rating.

Gasoline 199

Gasoline Germany BMW Exhaust 199

Green Car Congress

MARCH 13, 2018

Secondary air systems are used to reduce gasoline engine emissions by accelerating catalytic converter heat-up. The latter allows secondary air injection across a much wider engine map range and hence, at any given point in time, the precise air mass required for accelerating converter heat-up is injected into the exhaust system.

Gasoline 186

Gasoline Emissions Engine Motors 186

Green Car Congress

OCTOBER 22, 2013

The gasoline engine delivers 105 hp (72 kW) at 5500 rpm and maximum torque of 145 N·m (107 lb-ft) at 2000 rpm/min, with combined cycle fuel consumption of 4.2 This is the lowest consumption of any of the gasoline or diesel MiTo engines, while power delivery and torque are the second-highest of the MiTo gasoline range.

2014 299

2014 Gasoline 2000 Exhaust 299

Green Car Congress

AUGUST 29, 2013

Key advances for Gen 3 are in weight reduction, friction reduction, and the internal exhaust cooling system. This is the first implementation of such a system in a turbocharged direct-injection four-cylinder gasoline engine, noted Lemke. Integrated exhaust manifold with cooling. Design of the integrated exhaust manifold.

2014 331

2014 Engine Exhaust Fuel Economy 331

Green Car Congress

SEPTEMBER 23, 2014

unveiled the first generation of its new, proprietary enhanced spark-ignited (ESI) natural gas system. Using 100% dedicated natural gas as fuel, Westport’s new technology optimizes the combustion and thermal efficiencies of the engine by taking advantages of the positive properties of natural gas. mono-fuel gas engine.

Diesel 259

Diesel Gas Fuel Economy Powered 259

Green Car Congress

DECEMBER 11, 2012

Citroën is introducing the first members of its new PureTech family of three-cylinder gasoline engines on the C3, DS3 and C-Elysée (for international markets) ranges. The exhaust manifold is integrated directly in the cylinder head, which reduces the number of parts and overall weight. liter and 1.2

Engine 281

Engine Gasoline Fuel MPG 281

Green Car Congress

DECEMBER 8, 2014

Reactivity-controlled compression ignition combustion phasing (CA50—crank angle when 50% of fuel is burned) is most sensitive to variations in diesel fuel mass, level of exhaust gas recirculation, and charge gas temperature.

Wisconsin 329

Wisconsin Exhaust Diesel Gas 329

Green Car Congress

DECEMBER 10, 2014

The new four-way conversion catalyst, FWC, is a technology for vehicles with gasoline engines. The catalyst removes the gaseous pollutants and now also solids such as particulates from the exhaust gas flow. The FWC produces only a slight backpressure to the exhaust gas flow, said Harth.

Conversion 255

Conversion Exhaust North America Gas 255

Green Car Congress

AUGUST 8, 2017

As part of the new technology to achieve this vision, the company disclosed plans to introduce a next-generation gasoline engine called SKYACTIV-X in 2019. This new proprietary combustion engine combines the advantages of gasoline and diesel engines to optimize environmental performance, power and acceleration performance. Yamasaki, Y.,

Mazda 186

Mazda Gasoline Fuel Economy Gasoline-Electric 186

Green Car Congress

APRIL 27, 2017

At the 38 th Vienna Motor Symposium Volkswagen is introducing a new, more fuel-efficient “Coasting - Engine off” micro hybrid system—which shuts off the engine completely—as well as a new, compact three-cylinder natural gas engine for the Polo. The new three-cylinder turbocharged engine with a cubic capacity of 1.0 The compact 1.0

Gas 207

Gas Engine Motors Motoring 207

Green Car Congress

NOVEMBER 17, 2013

liter EcoBoost gasoline turbocharged direct injection (GTDI) four-cylinder unit. Featuring a twin-scroll turbocharger and a three-port integrated exhaust manifold (IEM), the 2.3-liter Two pivotal factors are the three-port integrated exhaust manifold cylinder head and a twin-scroll turbocharger. —Pete Pandolfi, 2.3-liter

Louisville 286

Louisville Fuel Economy Exhaust Future 286

Green Car Congress

OCTOBER 9, 2019

In the editorial, the researchers note that internal combustion engines operating on fossil fuel oil provide about 25% of the world’s power (about 3,000 out of 13,000 million tons oil equivalent per year), and in doing so, they produce about 10% of the world’s greenhouse gas (GHG) emissions. Gas exchange. Reitz et al. Electrification.

International 312

International Engine Exhaust Emissions 312

Green Car Congress

APRIL 28, 2018

Volkswagen showcased three new drive systems at the Vienna Motor Symposium: the new 48 V mild hybrid system that will debut on the eighth-generation Golf in 2019 ( earlier post ); new high-tech diesel engines that will also be available as hybrid variants; and an advanced natural gas engine. New natural gas TGI 1.5 48V mild hybrid.

Hybrid 225

Hybrid Gas Diesel Engine 225

Green Car Congress

FEBRUARY 4, 2013

Achates Power says that its 2-stroke OP engine offers higher best point brake thermal efficiency than diesel or gasoline engines. Since the pistons cyclically expose or occlude the exhaust and intake ports, there is no valve train. Full-load CFD simulation results of in-cylinder gas exchange. Source: Achates Power.

Diesel 334

Diesel Powered Power Exhaust 334