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. The market share of GDI-equipped vehicles increased from 2.3% —Neyestani et al.

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Climate Carbon Engine Fuel Economy 348

Green Car Congress

MARCH 24, 2016

Autonomous vehicle driving behavior can have a considerable effect on fuel economy. However, the study also showed that autonomous vehicle (AV) technology following algorithms designed without considering efficiency can degrade fuel economy by up to 3%.

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Fuel Economy Economy Fuel Vehicles 150

Green Car Congress

DECEMBER 27, 2013

Innovators at NASA’s Glenn Research Center have developed an automated pulse-and-glide technique using a flywheel energy storage system for on-road vehicles; the technology, which NASA Glenn says can improve fuel economy over existing internal combustion or battery hybrid systems by 40-100%, is available for licensing.

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Fuel Economy Economy Fuel 2009 382

Green Car Congress

APRIL 25, 2013

Vehicle owners have a high interest in technology related to fuel economy, device/application linking for smartphones, wireless connectivity, natural language voice activation and a variety of infotainment features for their next vehicle, according to the new J.D. Power and Associates 2013 US Automotive Emerging Technologies Study.

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Fuel Economy Economy Vehicles Fuel 225

Green Car Congress

SEPTEMBER 12, 2012

Laboratory and in-use fuel economy comparison. higher fuel economy than the conventional tractors, resulting in a 12% reduction in fuel costs for the hybrids. higher fuel economy than the conventional tractors, resulting in a 12% reduction in fuel costs for the hybrids. Source: NREL.

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Fuel Economy Economy Diesel Hybrid 262

Green Car Congress

OCTOBER 31, 2022

For example, we will account for regional differences in the total cost of ownership related to charging installation costs, electricity and gasoline costs, temperature effects on fuel economy, and insurance as well as federal and state EV incentives and policies. Refueling patterns based on driver time valuation.

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Michigan Gas-Electric Gas Battery 199

Green Car Congress

FEBRUARY 28, 2021

Deltamarin introduced the new LNG-powered Kielmax container vessel of the C.Delta series, C.Delta2100. This new design is based on extensive research and development work to establish the best-in-class design in terms of cargo capacity, flexibility and fuel economy, as well as the proven performance of the built Polar Code C.Delta2150 design.

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Design Power Powered Fuel Economy 273

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.

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Fuel Economy Diesel Economy Engine 150

Green Car Congress

JANUARY 18, 2013

This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal drop in fuel economy due to traveling 80 mph rather than 70 mph.

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Fuel Economy Economy Fuel MPH 326

Green Car Congress

AUGUST 19, 2012

A study by a team led by Dr. Dennis Assanis at the University of Michigan suggests that accessing the “thermodynamic sweet spot” in high-efficiency, dilute, boosted gasoline engines has the potential for vehicle fuel economy gains between 23% and 58%. Their paper is published in the International Journal of Engine Research.

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Fuel Economy Gasoline Economy Engine 236

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.)

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Fuel Economy Economy Fuel Maryland 275

Green Car Congress

MARCH 8, 2018

The all-new 2019 Volkswagen Jetta, unveiled in January at the North American International Auto Show (NAIAS) in Detroit ( earlier post ) will offer improved EPA-estimated fuel economy for the model: 30 mpg city (7.8 L/100km) and 40 mpg (5.88 L/100km) highway, for a combined 34 mpg (6.91

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Fuel Economy 2019 Economy Fuel 199

Green Car Congress

JANUARY 5, 2015

Drive cycle fuel economy for PFI, CDC, and multi-mode RCCI operation. Among their findings were that multi-mode RCCI has the potential to offer greater than 15% fuel economy improvement over a 2009 gasoline PFI baseline over many light-duty driving cycles, despite the lack of complete drive cycle coverage for RCCI mode.

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Fuel Economy Economy Light Fuel 150

Green Car Congress

MAY 15, 2013

An analysis by FEV of a modeled automotive scale version of Pinnacle’s 4-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture engine ( earlier post ) concluded that the engine has the potential to deliver significant additional fuel economy benefits of up to 42.6% Fuel economy. —FEV analysis.

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Fuel Economy Economy Engine Downsizing 230

Green Car Congress

DECEMBER 2, 2013

This, the researchers suggested in a paper presented at the recent EVS 27 conference in Barcelona, was due to the use of the efficient supercapacitors for the majority of the transient-power requirements (the SC can be charged or discharged at a high current, at which the battery cannot function). Fuel Cells Fuel Efficiency Hydrogen'

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Energy Storage Fuel Hybrid Fuel Economy 364

Green Car Congress

SEPTEMBER 19, 2019

In a speech on Tuesday at the National Automobile Dealers Association meeting in Washington, US Environmental Protection Agency (EPA) Administrator Andrew Wheeler outlined the Trump Administration’s thinking on national fuel economy standards and California. Earlier post.). No other state may ask for a waiver. The George W.

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Fuel Economy Standards California EPA 170

Green Car Congress

APRIL 6, 2017

Improving battery power to such as level would further enable hybridization to near-HEV levels as well as engine downsizing, thereby enabling fuel economy improvements beyond the current 10-15% MHEV limit. Accessories that are typically powered via hydraulic power or the serpentine belt may be converted to electrical power.

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Battery Powered Fuel Economy Power Powered 284

Green Car Congress

AUGUST 3, 2015

The vehicles under study were a conventional and hybrid Camry). In other words, they found that they real-world fuel economy benefit of adoption of HEVs may be better than for estimates based on EPA “sticker” fuel economy alone. Studies such as these are critical as HEVs and other electrified vehicles (i.e.,

Fuel Economy 150

Fuel Economy EPA Economy Fuel 150

Green Car Congress

AUGUST 17, 2009

Using a micro-hybrid system featuring carbon/carbon ultracapacitor units as energy storage can result in significant increases in fuel economy over a baseline conventional vehicle, according to a study by Dr. Andrew Burke at UC Davis. The micro-hybrid used a 30 Wh, 6 kW peak power ultracapacitor unit. Burke, 2009.

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Fuel Economy Davis Economy Hybrid 236

Green Car Congress

MAY 16, 2019

Honda is conducting research with Ohio-based electric utility American Electric Power to develop a network of used electric vehicle (EV) batteries that could be integrated into AEP’s electricity system. Storing additional power in used EV batteries can help utilities meet demand by using renewable energy resources.

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Honda Power Powered Battery 284

Green Car Congress

MARCH 16, 2012

The city and highway fuel economy ratings for the new Ford Police Interceptors (PI) have increased by 25% over the retired Crown Victoria. A recent study of police car use in Ottawa, Canada, showed the average police vehicle idles for up to 6.7 Fuel economy test results from the LA Sheriff’s Department 2012 evaluations.

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Fuel Economy Economy Tahoe Ford 231

Green Car Congress

FEBRUARY 24, 2011

On a drive cycle representing routes with frequent stops and accelerations, the gHEV trucks exhibited a 20% improvement in fuel economy. On drive cycles representing routes with fewer stops and accelerations, the gHEV trucks demonstrated similar fuel economy to the diesels. mpg) study groups. mpg) study groups.

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Fuel Economy Economy Gasoline Diesel 186

Green Car Congress

MARCH 16, 2012

The city and highway fuel economy ratings for the new Ford Police Interceptors (PI) have increased by 25% over the retired Crown Victoria. A recent study of police car use in Ottawa, Canada, showed the average police vehicle idles for up to 6.7 Fuel economy test results from the LA Sheriff’s Department 2012 evaluations.

Fuel Economy 225

Fuel Economy Economy Tahoe Ford 225

Green Car Reports

AUGUST 2, 2018

The Trump administration releases its proposal to freeze fuel economy and emissions standards. A California study details how the state can power up to 5 million electric cars without stressing the grid. Tesla CEO Elon Musk promises profits going forward.

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Fuel Economy Economy California Electric Cars 80

Green Car Congress

SEPTEMBER 24, 2014

However, they also noted, high PTW efficiencies and the moderate fuel economies of current compressed natural gas vehicles (CNGVs) make them a viable option as well. The study investigated the the WTW energy and emissions from the use of natural gas in CNGVs with a range of CNGV fuel economy and natural gas compressor efficiency.

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Gas-Electric Gas Fuel Economy PHEV 345

Green Car Congress

FEBRUARY 15, 2018

The US Department of Energy (DOE) has released two studies from the Co-Optimization of Engines & Fuels initiative ( Co-Optima ) ( earlier post ). These new blendstocks, co-optimized with advanced gasoline engines, show potential to improve passenger vehicle fuel economy by 10%. Blendstocks. Efficiency Merit Function.

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Engine Gasoline-Electric Fuel Economy Gasoline 199

Green Car Congress

AUGUST 19, 2021

To do this, they added up emissions data from production and lifetime operation for a commercial walking robot and different cargo vans, including human-driven and self-driving models, gasoline- and battery-powered models and two cargo sizes. Among their findings: The robot’s contribution to life cycle GHG emissions is small (2–6%).

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Miles Carbon Ford Vehicles 221

Green Car Congress

AUGUST 17, 2015

In a new report, researchers at the University of Michigan Transportation Research Institute (UMTRI) have calculated the actual, on-road fuel economy for the entire fleet of all vehicles in the US, and for different classes of vehicles, with primary interest in light-duty vehicles (cars, pickup trucks, vans, and SUVs), between 1923 and 2013.

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Fuel Economy Economy 2013 MPG 150

Green Car Congress

APRIL 14, 2011

Results of this study showed that the pre-chamber jet ignition combustion system roughly matches HCCI fuel economy across both NEDC and FTP drive cycles, with a 13% improvement in fuel economy recorded over the baseline stoichiometric (λ=1) spark ignition combustion system. —Attard et al.

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Fuel Economy Economy Engine Fuel 210

Green Car Congress

MAY 12, 2017

A new study quantifying emissions from a fleet of gasoline direct injection (GDI) engines and port fuel injection (PFI) engines finds that the measured decrease in CO 2 emissions from GDIs is much greater than the potential climate forcing associated with higher black carbon emissions from GDI engines. —Saliba et al.

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Fleet Engine Global Fuel Economy 207

Green Car Congress

FEBRUARY 12, 2010

A study by Honda in Japan found that drivers using the new Eco Assist system on the new Honda Insight hybrid improved their fuel economy on average by 10%, up to a maximum of 20%, after 300 drives. A driver-selected ECON button that automatically helps increase the vehicle’s fuel efficiency. Click to enlarge.

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Fuel Economy Insight Honda Economy 199

Green Car Congress

JULY 23, 2014

Enerpulse Technologies said that it has further identified the underlying mechanism by which its its pulsed energy ignition technology improves fuel economy, reduces emission and delivers higher torque in spark ignited (SI) internal combustion (IC) engines. Earlier post.)

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Fuel Economy Plug Economy Energy 210

Green Car Congress

SEPTEMBER 8, 2013

For the study, they define EVs as including both battery-electric (BEV) and plug-in hybrid electric (PHEV) vehicles. In their study, they considered the aggregate implications of EV adoption, fuel economy policy, EV charging methods, and renewable electricity standards (RESs). —Choi et al.

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Low Cost Georgia Fuel Economy Gasoline-Electric 236

Green Car Congress

AUGUST 2, 2009

Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. In contrast, fuel economy actually increased by 15% during that period. Knittel, 2009. Click to enlarge. Knittel, 2009.

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Fuel Economy Downsizing Obama Economy 210

Green Car Congress

NOVEMBER 7, 2017

A team at the University of Michigan Transportation Research Institute (UMTRI) study has assessed the relative amounts of greenhouse-gas emissions from driving a battery-electric vehicle (BEV) compared with greenhouse-gas emissions from driving a traditional gasoline-powered vehicle in different countries of the world. MPG ghg (0.05

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Emissions Albania Botswana MPG 150

Green Car Congress

MAY 9, 2012

Researchers from Southwest Research Institute (SwRI) and Eaton have demonstrated the application of downspeeding and supercharging a diesel vehicle, in conjunction with optimizing transmission gear ratios and the shift schedule, to deliver a greater improvement in fuel economy than a downsped and turbocharged configuration.

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Fuel Economy Economy Fuel Eaton 199

Green Car Congress

AUGUST 2, 2018

The study, published in the journal Energy Policy , presents an empirical analysis of the effects of temperature on Direct Current Fast Charger (DCFC) charging rate and discusses the impact of such effects on wider adoptions of electric vehicles (EVs).

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Charging Idaho Taxi Gasoline-Electric 260