Green Car Congress

JULY 12, 2023

Ricardo is working in collaboration with Achates Power to develop the next generation of opposed-piston (OP) gasoline compression ignition (GCI) engines for light duty vehicles in a multi-phased project (BERYL), funded by the US Department of Energy (DOE) Advanced Research Projects Agency-Energy (ARPA-E). Earlier post.) Earlier post.)

Engine 150

Engine Power Powered Fuel Economy 150

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. Engine controller with dDSF: Tula’s proprietary SW for smooth, efficient operation and fuel economy gains.

Diesel 221

Diesel Future Fuel Economy China 221

Green Car Congress

MAY 31, 2017

A joint study by Controlled Power Technologies (CPT) and Austria’s Technische Universität Wien (TU Wien) into 48V diesel mild hybrid technology verified a 9% reduction of NO x in raw engine-out emissions, while retaining the fuel economy and CO 2 benefits of diesel engine technology. —Paul Bloore.

Fuel Economy 150

Fuel Economy Diesel Economy Engine 150

Green Car Congress

JANUARY 25, 2020

The gasoline direct injection (GDI) engine is one of the most prominent technologies car manufacturers adopted to achieve the fuel economy and carbon dioxide emission goals established in 2012 by the US Environmental Protection Agency. will be equipped with GDI engines by 2025. will be equipped with GDI engines by 2025.

Climate 348

Climate Carbon Engine Fuel Economy 348

Green Car Congress

SEPTEMBER 29, 2012

Laboratory and in-use fuel economy results Source: NREL. The NREL team collected and analyzed in-service fuel economy, maintenance, and other vehicle performance data on 11 hybrid (P100H) and 11 conventional diesel (P100D) step vans operated by the United Parcel Service (UPS) in Minneapolis. Click to enlarge.

Fuel Economy 350

Fuel Economy Economy Hybrid Diesel 350

Green Car Congress

FEBRUARY 7, 2020

The new report is a companion to a report released by MECA in June 2019 that provides an assessment of market-ready technologies for heavy-duty diesel vehicles to meet lower intermediate NOx standards by 2024 (“ Technology Feasibility for Model Year 2024 Heavy-Duty Diesel Vehicles in Meeting Lower NOx Standards ”). Earlier post.).

Emissions 221

Emissions Fuel Economy Diesel 2019 221

Green Car Congress

FEBRUARY 5, 2020

CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. —“Technology Feasibility for Heavy-Duty Diesel Trucks in Achieving 90% Lower NO x Standards in 2027”. Source of data: US EPA (2019). Chart: MECA.

Emissions 291

Emissions Diesel Engine 2010 291

Clean Fleet Report

AUGUST 28, 2021

But how can you increase your fuel economy? Surprisingly, the number of items you carry in your vehicle can have a meaningful impact on your fuel economy. While it does cost a bit to have your car checked over by a mechanic, regular maintenance will improve your fuel economy and help you catch problems before they occur.

Fuel Economy 104

Fuel Economy Economy Fuel Maintenance 104

Green Car Congress

APRIL 20, 2022

Achates Power has released initial in-use NO x measurements from the cleaner, heavy-duty diesel engine it developed in a project funded by the California Air Resources Board (CARB) and several partners. heavy-duty opposed-piston engine demonstrated NO x emissions control far better than other diesel engines we have tested.

EPA 170

EPA Emissions Peterbilt Diesel 170

Green Car Congress

JULY 5, 2017

The defect leads to lower fuel economy, non EPA-compliant emissions levels, and costly and frequent vehicle repairs, the complaint charges. According to the lawsuit, RAM owners report that efforts to fix the faulty emissions system significantly affect engine performance and mileage, with miles per gallon dropping as much as 25%.

Fuel Economy 170

Fuel Economy Chrysler Diesel Emissions 170

Green Car Congress

APRIL 23, 2020

developer of Dynamic Skip Fire cylinder deactivation technology ( earlier post ), collaborated on a significant technical demonstration of diesel Dynamic Skip Fire (dDSF) cylinder deactivation. Cummins’ X15 Efficiency Series 6-cylinder diesel engine enhanced with Tula’s diesel Dynamic Skip Fire (dDSF). Cummins Inc.

Diesel 286

Diesel Emissions Exhaust Engine 286

Green Car Congress

MAY 23, 2013

Ricardo released an analysis of two years of on-the-ground testing of the Ricardo-engineered Fuel-Efficient Ground Vehicle Demonstrator (FED) showing that, when compared to the US military’s regularly outfitted M1151 HMMWV (“Humvee”), the FED experienced a 72% improvement in fuel economy. Earlier post.)

Fuel Economy 275

Fuel Economy Economy Fuel Maryland 275

Green Car Congress

MARCH 31, 2011

Illustration of a three-cylinder configuration of the Pinnacle opposed-piston engine. Startup Pinnacle Engines unveiled plans to commercialize a new, more efficient combustion engine by 2013. The Pinnacle engine is based on a four-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture. Click to enlarge.

Fuel Economy 236

Fuel Economy Engine Economy Fuel 236

Green Car Congress

JULY 11, 2017

The International Council on Clean Transportation (ICCT), one of the organizations at the root of uncovering the Volkswagen diesel emission scandal ( earlier post ), has published a new analysis of developments and trends in advanced diesel engine technology. —Isenstadt and German (2017). Background.

Diesel 186

Diesel Light Fuel Economy 2017 186

Green Car Congress

APRIL 22, 2014

EU-funded scientists developed a novel 320 kW (429 hp) diesel engine for light helicopters as an alternative to conventional turboshaft engines. The technology demonstrated substantial reductions in fuel consumption and emissions. The engine weight is the crux of the project. —DELILAH final report.

Light 239

Light Diesel Engine Fuel Economy 239

Green Car Congress

SEPTEMBER 18, 2019

Wärtsilä has launched the 31SG pure gas engine for marine market applications. The 31SG is based on the successful Wärtsilä 31 product platform; the diesel version of the engine has been recognized by Guinness World Records as being the world’s most efficient 4-stroke diesel engine. MW, at 720 and 750 rpm.

Mariner 207

Mariner Gas Engine Hybrid 207

Green Car Congress

SEPTEMBER 12, 2012

At the 17 th Supercharging conference this week in Dresden, Controlled Power Technologies (CPT) will launch what it says is the first water-cooled electric supercharger developed for “quasi-continuous” boosting of commercial diesel engines, including those developed for off highway applications. tonnes gross vehicle weight.

Water 370

Water Commercial Engine Diesel 370

Green Car Congress

AUGUST 23, 2013

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 V6 TDI diesel engine. ” One of our primary goals and objectives is to level the playing field for clean diesel vehicles.

Diesel 366

Diesel Audi Sale Fuel Economy 366

Green Car Congress

APRIL 22, 2021

Allison’s eGen Flex system is capable of improving fuel economy by up to 25% versus a conventional clean diesel bus, and has the ability to operate accessories such as air conditioning and electric heat at optimal efficiency with electric power. —Rohan Barua, Vice President of Sales, North America at Allison Transmission.

New York City 434

New York City Hybrid North America New York 434

Green Car Congress

JULY 9, 2015

Though there are some exceptions to these positive results for some of the diesel versions of vehicles from a total-cost-of-ownership perspective, the overall direction of the results supports the idea that diesel vehicles are competitive within the U.S. Average diesel take rates. Belzowski 2015. Click to enlarge.

Cost Of 150

Cost Of Gasoline Diesel Fuel Economy 150

Green Car Congress

NOVEMBER 3, 2017

Initially, the researchers have focused on the combustion of liquid fuel sprays found in engines, where the extreme pressures and temperatures create an environment that is optically challenging. Imaging flames at temperatures and pressures found in engines can be difficult because of a phenomenon called “beam steering.”

Fuel Economy 150

Fuel Economy Economy Emissions Fuel 150

Green Car Congress

MARCH 9, 2020

Power management company Eaton has expanded its portfolio of valvetrain solutions for diesel off-highway vehicles to help OEMs reduce emissions and improve fuel economy. Eaton’s new technology allows for cost-effective, variable valve actuation with hydraulic lash adjustment (HLA) function.

Eaton 269

Eaton Fuel Economy CO2 Vehicles 269

Green Car Congress

MAY 29, 2014

Consumer Reports fuel economy tests found the Honda Accord Hybrid delivered impressive overall fuel-economy of 40 mpg (5.88 However, Consumer Reports’ engineers cautioned that buyers expecting their car to deliver the EPA’s figure of 47 mpg posted on the window sticker might be disappointed. Earlier post.).

Fuel Economy 199

Fuel Economy MPG Economy Honda 199

Green Car Congress

MAY 29, 2010

According to Harris Interactive’s 2010 AutoTECHCAST study, conducted between 6-26 April 2010, there is currently greater demand among US vehicle owners for technologies that deliver improved fuel economy of existing gasoline-driven engines at a lower initial cost, rather than for higher-priced alternative-fueled engines.

Fuel Economy 199

Fuel Economy Gasoline-Electric Engine Fuel 199

Green Car Congress

FEBRUARY 20, 2012

A recent, independent, third-party test of a Thomas Built Buses Saf-T-Liner C2 against an IC Bus™ CE Series found that the SCR technology in the Thomas Bus delivers 7-27% better fuel economy than the EGR technology in the IC bus and, when factoring in the cost of diesel exhaust fluid (DEF), is the more cost-effective choice.

Fuel Economy 210

Fuel Economy Economy Fuel Exhaust 210

Green Car Congress

FEBRUARY 24, 2011

NREL’s Fleet Test and Evaluation Team recently completed a year-long technology evaluation of gasoline hybrid electric (gHEV) FedEx Express delivery trucks compared with conventional diesel vehicles. On a drive cycle representing routes with frequent stops and accelerations, the gHEV trucks exhibited a 20% improvement in fuel economy.

Fuel Economy 186

Fuel Economy Economy Gasoline Diesel 186

Green Car Congress

SEPTEMBER 23, 2014

The new approach to natural gas combustion technology is designed to provide vehicle and engine original manufacturers (OEMs) with a “downsized” natural gas solution that is cost competitive while providing similar levels of power, torque, and fuel economy to a larger diesel engine. mono-fuel gas engine.

Diesel 259

Diesel Gas Fuel Economy Power 259

Green Car Congress

JUNE 4, 2020

After completing a major body of research focused on boosted (also known as turbocharged) spark ignition (SI) engines in Fiscal Year (FY) 2018, Co-Optima’s FY 2019 LD research and development (R&D) shifted to multimode solutions that employ multiple engine operating modes to maximize engine efficiency and fuel economy.

Fuel Economy 243

Fuel Economy 2019 Diesel Engine 243

Green Car Congress

MARCH 27, 2012

Ford will bring the all-new Ford Transit commercial van to market with an option for an all-new diesel engine as well as the 3.5L Ford says that the new Transit, which begins production in Kansas City in 2013, will achieve at least 25% better fuel economy than current E-Series vans. EcoBoost V6. Earlier post.)

Ford 225

Ford Emissions Diesel Engine 225

Green Car Congress

JUNE 12, 2010

Fuel economy was similar between the gHEVs and diesel vehicles, except for the highest kinetic intensity drive cycle where the hybrid exhibited ~20% higher fuel economy. NREL used six similar trucks for the evaluation project: three Azure Dynamics Balance hybrids, and three diesels (Freightliner MT-45).

Fuel Economy 199

Fuel Economy Economy Gasoline Diesel 199

Green Car Congress

DECEMBER 17, 2019

A novel oxygenate molecule that can be produced from biomass shows promise for use as a blend for diesel fuel, according to researchers at the National Renewable Energy Laboratory (NREL). —Derek Vardon, senior research engineer at NREL and corresponding author. Earlier post.).

Diesel 195

Diesel Fuel Conversion Fuel Economy 195

Green Car Congress

MARCH 11, 2013

unveiled a new powertrain package for the North American heavy-duty truck market that is expected to deliver 3-6% fuel economy improvements, lower preventative maintenance costs, and total lifecycle cost improvements. liter diesel with variable geometry turbocharger and direct injection XPI fuel system.

Eaton 231

Eaton Fuel Economy Economy Fuel 231

Green Car Congress

SEPTEMBER 26, 2013

The study found that TCO for electric and diesel medium-duty urban delivery trucks were similar. The electric truck is relatively more cost-effective on the NYCC and when VKT demand is higher. Cost-competitiveness of the electric truck diminishes in drive cycles with higher average speeds. Credit: ACS, Lee et al.

Georgia 268

Georgia Diesel Gas-Electric Electric 268

Green Car Congress

AUGUST 4, 2011

Mazda’s roadmap to the ideal internal combustion engine. the step-by-step introduction of electrification to SKYACTIV internal combustion engines: stop-start, followed by regenerative braking, followed by electric motor drive technologies. Energy balance in an internal combustion engine. Click to enlarge. Click to enlarge.

Mazda 322

Mazda Engine Gasoline Diesel 322

Green Car Congress

JUNE 6, 2014

2015 Ford Transit offers up to 46% better fuel economy than the old E-Series. The all-new 2015 Ford Transit delivers as much as 46% better fuel economy than Ford E-Series. liter V6 engine, and customers also can choose from an available 3.5-liter liter Power Stroke diesel. liter V10 premium gas engine.

Fuel Economy 218

Fuel Economy 2015 Ford Economy 218

Green Car Congress

APRIL 1, 2013

The next-generation of the Trago, which debuted in 2006, the Xcient offers greater styling, a 7% improvement in fuel economy and more cabin room. Due to improved engine performance, the new model’s fuel economy has been enhanced by 7% from the previous model.

Fuel Economy 225

Fuel Economy Hyundai 2013 Economy 225

Green Car Congress

JUNE 12, 2014

The all-new model achieves lower overall running costs through a combination of improvements in powertrain performance and a reduction in body mass. Engine options have been developed for best in class fuel efficiency and emissions ratings. liter DOHC in-line 4-cylinder diesel engine or 2.5-liter

Fuel Economy 210

Fuel Economy Nissan Economy Fuel 210