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 China 221

Green Car Congress

AUGUST 1, 2013

One high-efficiency combustion concept under investigation is gasoline compression ignition (GCI)—the use of gasoline-like fuels to deliver very low NO x and PM emissions as well as high efficiency in a diesel compression ignition engine. direct-injection light-duty diesel engine. Earlier post.) —Adams et al.

Gasoline 320

Gasoline Diesel Engine 2007 320

Green Car Congress

JUNE 28, 2013

TCO for selected gas and diesel vehicles over a 3 year timeframe. Diesel vehicles generally saved owners between $2,000 to $6,000 in total ownership costs during a three to five year period when compared to similar gasoline vehicles, according to data compiled by the University of Michigan Transportation Research Institute (UMTRI).

Diesel 262

Diesel Cost Of Gasoline Vehicles 262

Green Car Congress

JANUARY 30, 2019

Customers of the Volkswagen Passenger Cars brand in Germany are once again placing more orders for diesel vehicles. In 2018, the share of incoming orders for vehicles equipped with the latest diesel technology as a proportion of the overall vehicle portfolio was 43% compared to 39% in 2017.

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2017 Germany 2018 Diesel 255

Green Car Congress

JULY 19, 2013

Drivers of diesel vehicles can save thousands of dollars in total ownership costs compared to similar gasoline vehicles, according to a University of Michigan Transportation Research Institute (UMTRI) study. —UMTRI researcher Bruce Belzowski. Belzowski and UMTRI colleague Paul E. Among their findings:??.

Gasoline 247

Gasoline Diesel Vehicles Fuel Economy 247

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

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. Model year.

Gasoline 150

Gasoline Cost Of Diesel Fuel Economy 150

Green Car Congress

JANUARY 18, 2018

liter Opposed-Piston Gasoline Compression Ignition (OPGCI) engine. A comparison between the 2.7L An Opposed-Piston Engine is 30-50 percent more fuel efficient than comparable diesel and gasoline engines, it is a no-excuses way to meet future efficiency and emissions standards. Earlier post.). Earlier post.).

F-150 305

F-150 Gasoline MPG Engine 305

Green Car Congress

JULY 21, 2021

Natural gas does not offer climate benefits compared to gasoline and diesel, and many biofuel pathways do not, either. Drivers of plug-in hybrid electric vehicles rely too much on the gasoline engine for this pathway to be a long-term climate solution, the ICCT said. Source: The ICCT.

Hydrogen 418

Hydrogen Fuel Battery Batteries 418

Green Car Congress

AUGUST 31, 2009

California gasoline consumption rose 0.6% in May, while diesel fuel declined 7%, according to the latest figures from the California Board of Equalization (BOE). May 2009 gasoline sold for use on California roads totaled 1,291 million gallons of gasoline. The average California gasoline price at the pump in May was $2.53

Gasoline 199

Gasoline California Diesel 2009 199

Green Car Congress

JANUARY 4, 2022

By comparison, most other commodity indexes included in the GSCI increased by about 20%. For example, the futures price of RBOB (a reformulated grade of gasoline used as the benchmark for gasoline trading) increased by 67% during 2021. The precious metals index was the only one to decline.

Price 273

Price Energy Oil Gasoline 273

Green Car Congress

SEPTEMBER 24, 2012

Comparisons of life-cycle emissions from LUC phase for (a) sugar cane ethanol and (b) soybean biodiesel. The climate effects of land-use changes from increasing biofeedstock acreage, both indirect and direct, have dominated policy discussion, and focused on comparisons in long-lived GHGs. 515 times higher than diesel (5 g PM 2.5

Gasoline 273

Gasoline Emissions Diesel Brazil 273

Green Car Congress

JULY 13, 2020

ICCI aims to realize flexible and controllable in-cylinder charge stratification fed by two complementary fuels: gasoline and diesel. During the injection process, diesel and gasoline are multi-stratified and mixed with the piston stroking upward. g/kWh were simultaneously achieved at 85% gasoline ratio.

Fuel 411

Fuel Charging Gasoline Emissions 411

Green Car Congress

JANUARY 6, 2017

In Europe, the average amount of NO x present in exhaust emissions from modern diesel passenger cars under real-world conditions is more than double the levels from modern trucks and buses, according to a new briefing paper released by the independent research organization International Council on Clean Transportation (ICCT). Source: ICCT.

Diesel 223

Diesel Cars Emissions Light 223

Green Car Congress

OCTOBER 30, 2016

For the mobility of the future, we are deliberately not committing ourselves to one solitary form of drive system, but to a coexistence of efficient and clean petrol engines, diesels, plug-in hybrids, battery and hydrogen drive systems. The new six-cylinder in-line gasoline engine M 256 features a 48 V electrical system.

Gasoline 150

Gasoline Mercedes Engine Diesel 150

Green Car Congress

JUNE 26, 2015

In a new, comprehensive study, a team from Argonne National Laboratory, Stanford University and UC Davis ITS has estimated the well-to-wheels (WTW) GHG emissions of US production of gasoline and diesel sourced from Canadian oil sands. This finding agrees with previous work. —Cai et al. Hao Cai, Adam R.

Oil-Sands 150

Oil-Sands Oil Gasoline Emissions 150

Green Car Congress

MARCH 20, 2014

Comparison plot showing mass fractions (F m ) of chemically characterized components of lubricating oils and POA. Unburned diesel fuel makes an additional smaller contribution, with an additional smaller contribution from unburned gasoline. Diesel Emissions Engines Fuels Lubricating Oils' Credit: ACS, Worton et al.

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Oil Gasoline Diesel Vehicles 207

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. The new diesel paper is part of this series. Background.

Diesel 186

Diesel Light Fuel Economy 2017 186

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. Not only is it more powerful and contains up to 30% better efficiency than traditional gasoline, etc.

Diesel 366

Diesel Audi Sale Fuel Economy 366

Green Car Congress

DECEMBER 31, 2009

In the third quarter of 2009, gasoline consumption in California increased to 3.772 billion gallons of gasoline compared to 3.736 billion gallons the third quarter last year, according to figures released by the state Board of Equalization (BOE). Year-on-year quarterly gasoline consumption comparison. Source: BOE.

Gasoline 170

Gasoline California Diesel 2008 170

Green Car Congress

APRIL 17, 2014

GDCI engine was significantly better than advanced production spark injection gasoline engines, and comparable to very efficient hybrid vehicle engines at their best efficiency conditions (214 g/kWh). A high octane fuel was injected late on the compression stroke of a boosted diesel engine operating with high EGR.

Gasoline 304

Gasoline Engine Fuel Wisconsin 304

Green Car Congress

JANUARY 7, 2021

In comparison, the change between 2008 and 2019 (from 4.59 In terms of fuel consumption per distance driven, the change between 1973 (the year of the first oil embargo) and 1991 (from 7.75 gallons per 100 miles to 5.10 gallons per 100 miles) represents a compound rate of decrease of 2.3% gallons per 100 miles to 4.50

Fuel Economy 435

Fuel Economy 2019 Economy Light 435

Green Car Congress

APRIL 19, 2011

gasoline five cylinder; the 2.0L TDI Clean Diesel; and the 2.0L TSI turbocharged gasoline engine. The car exhibits significantly reduced fuel consumption and emission values compared to the previous model thanks to the switch to turbo-gasoline (TSI) and common rail turbodiesel direct injection engines (TDI).

Gasoline 218

Gasoline Diesel Engine MPG 218

Green Car Congress

OCTOBER 24, 2016

A research team from Empa (Swiss Federal Laboratories for Materials Science and Technology) and the University of Applied Sciences Bern, Laboratory for Exhaust Emission Control, reports that ethanol blending appeared to reduce genotoxic emissions from a flex-fuel Euro-5 gasoline direct injection (GDI) vehicle (a Volvo V60 with a 1.6

Gasoline 150

Gasoline Emissions Exhaust Vehicles 150

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. In the Tianjin study, they team fueled a four-cylinder light-duty diesel engine fueled with CFT and DF, identifying 13 individual carbonyl compounds in the exhaust.

Coal 210

Coal Diesel Emissions Fuel 210

Green Car Congress

JANUARY 18, 2016

diesel) to reduce NO x and PM while maintaining high efficiency has attracted a great deal of research interest over the past several years. Accordingly, in the industry’s quest for lower fuel consumption and emissions, a number of schemes for achieving LTC gasoline compression ignition have emerged. —Dempsey et al.

Gasoline 150

Gasoline Fuel Diesel Engine 150

Green Car Congress

APRIL 10, 2016

A team from Carnegie Mellon University (CMU) has characterized the intermediate volatility organic compound (IVOC) emissions from on-road gasoline vehicles (LDGVs) and small off-road gasoline engines (SOREs). All LDGVs were tested using commercial summertime California gasoline and the cold-start united cycle.

Gasoline 150

Gasoline Emissions Engine Exhaust 150

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. FedEx has deployed 20 gasoline hybrid electric vehicles (gHEVs) on parcel delivery routes in the Sacramento and Los Angeles areas. Vehicle information gHEV Diesel.

Fuel Economy 199

Fuel Economy Economy Gasoline Diesel 199

Green Car Congress

AUGUST 9, 2012

In California’s Los Angeles Basin, levels of volatile organic compounds (VOCs) pollutants have decreased by about 98% since the 1960s, even as area residents now burn approximately three times as much gasoline and diesel fuel. This indicates that the main VOC source in the LA basin is likely gasoline vehicle emission.

Los Angeles 285

Los Angeles Gasoline Ozone 2002 285

Green Car Congress

MARCH 22, 2014

liter diesel, prominently showing the closely attached exhaust aftertreatment system. liter TDI diesel (EA288) will eventually replace all the 2.0-liter liter TDI Clean Diesel engines fitted in Audi and Volkswagen TDI Clean Diesel models, and as such, is a strategically important engine. The new MDB EA288 diesel.

Diesel 384

Diesel Engine Exhaust Water 384

Green Car Congress

AUGUST 22, 2015

Neste, currently largest producer of renewable drop-in fuels (primarily diesel) with its NEXBTL platform ( earlier post ), has filed a patent ( US20150144087 ) on a gasoline composition (and the method for making it) comprising up to 20 vol% (preferably from about 10-15 vol.%), of paraffinic bio-hydrocarbons originating from the NEXBTL process.

Gasoline 150

Gasoline Fuel Renewable Emissions 150

Green Car Congress

JANUARY 31, 2014

(Left) Thermal efficiency and ( right ) soot from different gasoline-butanol blends at different EGR rates. A study by a team at Tianjin University found that the addition of n-butanol to gasoline for use in a compression ignition engine (CI) under Low Temperature Combustion (LTC) conditions has a significant effect on soot reduction.

Gasoline 210

Gasoline Engine Exhaust Fuel 210

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

SEPTEMBER 30, 2019

In comparison, the change between 2008 and 2017 (from 4.59 In terms of fuel consumption per distance driven, the change between 1973 (the year of the first oil embargo) and 1991 (from 7.75 gallons per 100 miles to 5.09 gallons per 100 miles) represents a compound rate of decrease of 2.3% gallons per 100 miles to 4.48

Fuel Economy 397

Fuel Economy 2017 Economy Light 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. By contrast, diesel cars with particle filters exceeded the limit only 45-fold.

Engine 271

Engine Exhaust Gasoline Diesel 271

Green Car Reports

DECEMBER 16, 2014

Today we''ve got a study that--despite headlines to the contrary--doesn''t say "electric cars aren''t green," a comparison of diesel and gasoline-car ownership costs, and video of a Tesla Model S P85D trouncing a Ferrari in a drag race. All this and more on Green Car Reports. France could have.'

Diesel 152

Diesel Electric Cars Ferrari Cars 152

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. Click to enlarge.

Wisconsin 225

Wisconsin Gasoline Diesel Universal 225