MAHLE-led consortium’s micro-CHP CNG engine provides 20% efficiency boost over current market best

Green Car Congress

The single-cylinder engine, which runs on natural gas (NG), has been developed by a consortium led by MAHLE Powertrain. Jet ignition is a pre-chamber-based combustion system that enables enleanment beyond what is achievable with traditional spark ignition engines.

2019 116

WinGD launches new low-speed, 2-stroke dual-fuel engines

Green Car Congress

has introduced three new low-speed, two-stroke engines that are capable of operating on low emission fuels. Growing our portfolio of engines ensures that ship owners have the right options to feel confident in their investment. X40DF engine for smaller vessels.

2019 106

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Audi introduces new lightweight, efficient, powerful turbo engine for DTM

Green Car Congress

Audi is introducing a new highly efficient turbo engine for the 2019 DTM racing season (touring car racing series). The move from the naturally aspirated V8 to the turbo engine is not only important due to the additional output of some 100 horsepower. Engines Fuel Efficiency Motorspor

2019 135

MAN Engines releases first IMO Tier III engines for workboats; low-cost, SCR-only solution

Green Car Congress

MAN Engines—a business unit of MAN Truck & Bus, itself a member of the Volkswagen Group—is now offering 12-cylinder, IMO Tier III emission standards engines for workboats, spanning a power range from 551 to 1,213 kW. The engines are immediately available.

2019 96

ESA completes further design validation of Reaction Engine’s air-breathing SABRE rocket engine

Green Car Congress

UK-based Reaction Engines has received further endorsement of its SABRE (Synergetic Air-Breathing Rocket Engine) design ( earlier post ) via its collaboration with ESA and the UK Space Agency (UKSA). —Shaun Driscoll, Programs Director, Reaction Engines. Aviation Engines

2019 100

Hyundai Motor Group unveils CVVD engine technology; +4% performance, +5% fuel economy, -12% emissions

Green Car Congress

T-GDi—the first engine to feature the technology. CVVD optimizes both engine performance and fuel efficiency while reducing emissions. T-GDi engine. T-GDi Engine, a four-cylinder gasoline turbo unit with 180 horsepower and 27.0 Emissions Engines Fuel Efficiency

2019 112

MAN Engines showcasing D3876 diesel engine for EU Stage V locomotives without exhaust after-treatment systems

Green Car Congress

At InnoTrans 2018, the International Trade Fair for Transport Technology, MAN Engines is exhibiting the D3876 LE63x for locomotives, which produces 471 kW (632 hp) at 1,800 rpm. —Lorenz Panknin, Head of Rail Sales at MAN Engines. Emissions Engines Rail

2018 127

EIA: natural gas-fired reciprocating engines are being deployed more to balance renewables

Green Car Congress

Reciprocating engines tend to be smaller than other types of natural gas-fired electricity generators and account for a relatively small share of power plants fueled by natural gas. Several of these engines are typically installed at one generation facility.

2019 144

Orbex unveils Prime rocket; largest 3D-printed rocket engine; bio-propane-fueled

Green Car Congress

The completed engineering prototype of the Stage 2 rocket (the stage that will transit into orbital flight after launch) is made from a specially-formulated lightweight carbon fiber and aluminum composite and includes the world’s largest 3D printed rocket engine. The 3D printed engine.

2019 146

Volkswagen adds third tank to Polo and Golf natural gas models; new TGI engine for Golf

Green Car Congress

three-cylinder engine (66 kW / 90 PS) the additional tank carries 16.5 liter four-cylinder engine, which is powerful, efficiency and environmentally friendly. The new 1.5-liter TGI engine in the Golf uses the TGI Miller combustion process with a high compression ratio of 12.5:1,

2019 144

Argonne, AFRL and CSI develop new combustion modeling tool for rotating detonation engines

Green Car Congress

have created a new numerical modeling tool that allows for a better understanding of rotating detonation engines that could one day propel the next generation of airplanes and rockets. —Brent Rankin, research engineer at AFRL. Aviation Engines Fuel Efficiency Simulation

2019 101

Exploring the effects of CR, EGR and spark timing on performance and emissions of HD natural gas engines

Green Car Congress

Researchers at Hunan University have investigated the effects of compression ratio (CR), EGR and spark timing strategies on performance, combustion and NO x emissions of a heavy-duty natural gas engine fueled with 99% methane content. natural gas … is one of the most important alternative fuels in engines in terms of performance, safety, price and emission characteristics. However, there are still some problems [that] need to be solved in natural gas engine.

2019 64

Tenneco’s PRIME 3D simulation cuts engine cylinder component development time by up to 70%

Green Car Congress

At the 2019 IAA Frankfurt in September, Tenneco’sPowertrain division will present its award-winning PRiME 3D simulation software which has been shown to cut development time for engine cylinder components by up to 70%. Emissions Engines Fuel Efficiency Simulation

2019 96

Mercedes-Benz Vito gets OM 654 four-cylinder diesel engine

Green Car Congress

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. The OM 654 model engine replaces the previously used OM 651 engines with the same power rating.

2019 88

Jaguar Land Rover expands Ingenium engine family with straight six-cylinder gasoline engine; MHEV 48V system; 20% more fuel efficient than outgoing V6

Green Car Congress

Jaguar Land Rover is expanding its Ingenium engine family with a new six-cylinder gasoline engine designed and engineered in-house, and manufactured at its £1-billion Engine Manufacturing Centre (EMC) in Wolverhampton, UK. 48V Engines Fuel Efficiency Hybrids

2019 101

UVA Engineering researching thermoelectric materials to improve efficiency of jet engines

Green Car Congress

Researchers at the University of Virginia School of Engineering are seeking to improve the efficiency of jet engines by identifying and developing thermoelectric materials that can harness excess energy. studies in the Department of Mechanical and Aerospace Engineering at UVA, is leading the work. Hopkins is a mechanical engineer as a specialist in microscale heat transfer and high-temperature materials science. Aviation Engines Thermoelectrics

2019 73

ULEMCo and Revolve demonstrate 45% thermal efficiency for 100% hydrogen engine

Green Car Congress

ULEMCo and its R&D partner Revolve Technologies have demonstrated thermal efficiencies of 45% in engine control strategies for a 100% hydrogen-fueled engine being developed for the Mega Low Emissions (MLE) truck demonstrator unveiled earlier this year. Engines Heavy-duty Hydrogen

2018 123

Two new V6 engines with 48V mild hybrid system for Audi Q8; gasoline and diesel

Green Car Congress

Audi is expanding the engine line-up for its luxury SUV, the Q8—as well as its roll-out of its 48V mild hybrid system ( earlier post )—by adding two V6 engine versions. With the turbocharged gasoline engine, the Audi Q8 sprints from 0 to 100 km/h (62.1

2019 109

Nissan to use mirror bore process on new 2.5L engine for Altima; highest volume application of technique

Green Car Congress

Nissan’s Decherd assembly line is using a mirror bore process in the all-new 2019 Nissan Altima 2.5-liter engine. (At engine for the Altima, including the mirror bore coating.). The team in Decherd assembles an engine every 19 seconds and is capable of building about 1.4 engine.

2019 107

Caterpillar-Argonne team to pursue improved diesel engine combustion systems under HPC4Mfg program

Green Car Congress

and the US Department of Energy’s (DOE) Argonne National Laboratory are teaming up to research heavy-duty diesel engines. The organizations plan to build and test heavy-duty diesel engines that reduce emissions and improve fuel economy. Caterpillar Inc.

2019 101

Scania testing engines running on untreated biogas and landfill gas

Green Car Congress

In collaboration with Linköping-based energy recovery specialists Tekniska verken, Scania Engines is currently testing one of its engines using raw gas, biogas that is untreated—i.e., —Holger Mattsson, Project Coordinator at Scania Engines. Biomethane Engines LFG

2018 110

Ford Europe bringing 48V mild hybrid tech to Tourneo van; new diesel engines

Green Car Congress

Ford Europe will introduce more powerful and fuel-efficient 2.0-liter EcoBlue diesel engines, new 48V EcoBlue mild Hybrid powertrains; and driver assistance technologies including Active Park Assist in the enhanced Ford Tourneo Custom people-mover from mid-2019. 48V Diesel Engines Hybrids

2019 109

DARPA awards additional $2.5M to LiquidPiston for development of 30kW X4 rotary diesel engine prototype

Green Car Congress

to LiquidPiston for development of 30kW X4 rotary diesel engine prototype. an advanced internal combustion engine technology company, an additional $2.5 LiquidPiston’s X Engines are non-Wankel rotary embodiments of the company’s High Efficiency Hybrid Cycle (HEHC).

2018 124

Swiss team finds particle emissions from aircraft turbine engines at ground-idle induce oxidative stress in bronchial cells

Green Car Congress

In a study on the effect of exhaust particles from aircraft turbine engines on human lung cells, Swiss researchers have found that cells reacted most strongly to particles emitted during ground idling. Turbine engine in the testing facility (not running).

2019 96

Tour Engine has Prototype II split-cycle engine running

Green Car Congress

Tour Engine , the developer of a novel split-cycle engine ( earlier post ), has its Prototype II engine running and will present details on its operation at the upcoming SAE 2012 World Congress in Detroit. The way forward for the Tour engine is clear substantial improvement.

2012 148

GE Aviation completes initial design of supersonic engine for Aerion AS2

Green Car Congress

GE Aviation has completed the initial design of the first supersonic engine purpose-built for business jets. This new engine class, revealed as GE’s Affinity turbofan, is optimized with proven GE technology for supersonic flight and timed to meet the Aerion AS2 launch ( earlier post ).

2018 106

KIT establishing institue to help combustion-engine SMEs re-orient to e-mobility; Fit4E

Green Car Congress

The Karlsruhe Institute of Technology (KIT) is establishing a “Transformation Hub Electric Mobility” to help small and medium-sized enterprises (SME) with specialized knowledge in the process chain for manufacturing a combustion engine re-orient for electric mobility.

2019 96

Achates showcases 2.7L, 3-cylinder opposed piston gasoline compression ignition engine in F-150; estimated 37 mpg combined

Green Car Congress

At the North American International Auto Show (NAIAS), Achates Power and new development parter Aramco Services ( earlier post ) showcased a Ford F-150 fitted with a 3-cylinder, 2.7-liter Opposed-Piston Gasoline Compression Ignition (OPGCI) engine. OP Engine.

2018 130

Scania launches new 13-liter natural gas engine

Green Car Congress

liters) natural gas engine, based on Scania’s well-proven inline 6-cylinder, 13-liter engine. FPT Industrial also recently introduced its newest and most powerful natural engine, the 13-liter Cursor 13 Natural Gas, specially developed for long-haul missions.

2017 78

Rheinmetall/HUAYU JV develops new casting process suited for complex engine block geometries and motor housings

Green Car Congress

Engineers merged the advantages of various casting processes to deliver high-quality, highly robust engine blocks that can also be cast in comparatively short cycle times. This is exactly what engine builders want for today’s highly stressed engine generations.

2019 91

Motiv Engines introduces 2nd-generation split-cycle concept; MkII Clarke-Brayton heavy-duty engine being designed for LNG

Green Car Congress

Section of the MkII Clarke-Brayton split-cycle engine. Motiv Engines, LLC introduced the second-generation of its engine concept dubbed the MkII Clarke-Brayton Engine, which it intends to develop into a heavy-duty on-highway engine fueled by liquid natural gas (LNG).

2014 143

DARPA awards LiquidPiston $2.5M to advance further X4 rotary engine prototype

Green Car Congress

million to continue development of a new, patented, high-efficiency, lighter-weight rotary engine. hp/lb, making it up to ten times (10x) more powerful than a standard diesel engine with the same weight. Water may be injected to internally cool the engine.

2016 152

Mercedes-Benz unveils Gen4 A-Class; bigger, new engines, focus on content and user experience

Green Car Congress

All models of the new A-Class are also powered by new diesel and gasoline engines. New, efficient gasoline and diesel engines. All the new A-Class models are powered by new, efficient engines: two new four-cylinder gasoline engines are available at market launch.

2018 131

MIT team proposes flex-fuel gasoline-alcohol engine PHEV long-haul trucks

Green Car Congress

In a paper being presented at WCX SAE World Congress Experience in Detroit this week, a team from MIT is proposing the use of a flex-fuel gasoline-alcohol engine approach for a series-hybrid powertrain for long-haul Class 8 trucks. In this approach the engine would provide comparable (or possibly greater) efficiency than a diesel engine while also providing around 90% lower NO x emissions than present cleanest diesel engine vehicles.

2019 78

MHI-MME launches new models of small, lightweight, and high-efficiency turbochargers for diesel engines

Green Car Congress

MHI) has developed new models of its MET Turbochargers for diesel engines. The MET-MBII axial-flow turbocharger series mainly for two-stroke engines is smaller and lighter than the existing MET-MB series, with a 16% greater air flow capacity. Engines Ports and Marine

2018 107

Engineers find new ways to improve efficiency of gas engines: Engineering Explained

Green Car Reports

As fast as electric cars are improving and expanding, there are some things that gas engines do better—many experts agree that gasoline engines will be around for several decades. Developing electric cars and refining gas engines aren't mutually exclusive. Videos youtube How It Works Engineering Explained

2018 69

ORNL team finds catalytic EGR reforming can decrease fuel consumption 8% in gasoline engine

Green Car Congress

Researchers at Oak Ridge National Laboratory have used on-board catalytic fuel reforming to increase the brake efficiency of a multicylinder, stoichiometric spark-ignited (SI) engine by increasing EGR dilution tolerance. The geometry of the engine could be optimized.

2018 121

Eaton optimized TVS scavenging pump managing precision airflow for CARB-sponsored, Achates opposed-piston engine

Green Car Congress

Eaton will supply a TVS (Twin Vortices Series) air pump to manage airflow in the demonstration of the Achates Power two-stroke opposed-piston engine (OP Engine) at the upcoming Internal Combustion Engine Fall Technical Conference in San Diego.

2018 91

Rüsselsheim Engineering Center developing next four-cylinder gasoline engine generation for Groupe PSA; optimized for hybrids

Green Car Congress

The Rüsselsheim Engineering Center will take on the global responsibility for the development of the next-generation of high-efficiency gasoline engines for all Groupe PSA brands (Peugeot, Citroën, DS Automobiles, Opel and Vauxhall). The next generation of four-cylinder engines will be optimized for operation in combination with electric motors and will be used in the drive train of hybrid systems. —Opel’s Managing Director Engineering, Christian Müller.

2018 69

Tour Engine proceeding with development of 5 kW Split-Cycle genset with additional ARPA-E GENSETS funding

Green Car Congress

Tour Engine, the startup developing novel split-cycle engine technology ( earlier post ), is working on a 5 kW natural gas unit under Phase II funding from the Advanced Research Projects Agency - Energy (ARPA-E). ciency, says Dr. Oded Tour, CEO of Tour Engine.

2018 130

Ricardo forms company to commercialize cryogenic split-cycle engine: CryoPower

Green Car Congress

Ricardo has created a company—Dolphin N2 Ltd—to commercialize its CryoPower cryogenic split-cycle engine technology ( earlier post , earlier post.) Engines Fuel Efficiency Heavy-duty

2018 95

DOE awards Hyundai $4.95M for work on advanced mixed-mode gasoline engine; Co-Optima

Green Car Congress

million over three years as part of an $80-million Co-Optima funding round ( earlier post ) to conduct research and development for an advanced mixed-mode gasoline (spark/compression ignition) engine to attain significant improvements in both fuel economy and CO 2 emissions. The project is part of Hyundai’s advanced engine technology strategy and is planned to be used in future production vehicles as both stand-alone (engine only) and hybrid (PHEV, MHEV) configurations.

2018 92

BMW isn’t finished with internal combustion engines yet

Green Car Reports

What may actually say more though, in the language of corporate nuance, is that few companies have gone so far as to solidly declare that the end is nigh for internal combustion engines. Many automakers now see electric vehicles as the long-range future of the passenger vehicle.

2019 98