Green Car Congress

OCTOBER 5, 2018

All large-scale energy systems have environmental impacts, and the ability to compare the impacts of renewable energy sources is an important step in planning a future without coal or gas power. Wind beats coal by any environmental measure, but that doesn’t mean that its impacts are negligible. Source: Miller and Keith (2018a).

Wind 315

Wind Power Powered Climate 315

Green Car Congress

FEBRUARY 24, 2016

A paper by a team from the University of Chicago and MIT suggests that technology-driven cost reductions in fossil fuels will lead to the continued use of fossil fuels—oil, gas, and coal—unless governments pass new taxes on carbon emissions. for oil, 24% for coal, and 20% for natural gas. —Christopher Knittel.

Chicago 150

Chicago MIT Tax Carbon 150

Green Car Congress

NOVEMBER 24, 2010

Comparison of coal consumption and CO 2 emissions for co-production and separate production of liquids and power. Conventional CTL plant gasifies coal to produce a syngas which is then converted in a Fischer-Tropsch reactor to products. Tags: Coal-to-Liquids (CTL) Emissions. Source: Mantripragada and Rubin.

Coal 231

Coal Oil Prices CO2 Gas-Electric 231

Green Car Congress

JULY 3, 2015

For the study, the researchers benchmarked 27 scenarios against a 50% petroleum-reduction target and an 80% GHG-reduction target. The study estimated national fuel and emissions impacts from increasing reliance on electrified light-duty transportation, and the resulting implications for advanced biofuels. —Meier et al.

Carbon 150

Carbon EPRI Climate Gasoline-Electric 150

Green Car Congress

AUGUST 13, 2013

Cutting the amount of short-lived, climate-warming emissions such as soot and methane won’t limit global warming as much as previous studies have suggested, according to a new study from the Joint Global Change Research Institute in College Park, Md., Carbon dioxide can remain for 1,000-plus years. —Smith and Mizrahi.

Climate 199

Climate Pollution Carbon Emissions 199

Green Car Congress

SEPTEMBER 18, 2009

The study, “Estimating US Government Subsidies to Energy Sources: 2002-2008”, found that fossil fuels benefited from approximately $72 billion over the seven-year period, while subsidies for renewable fuels totaled $29 billion. billion went to traditional sources—such as coal and oil—and $2.3 Adeyeye et al. billion). —ELI

Renewable 338

Renewable Tax Credit Fuel Climate Change 338

Green Car Congress

AUGUST 19, 2014

Qiang Dai and Christian Lastoskie found that BEVs and FCVs in particular offer significant reductions in greenhouse gas emissions, especially if carbon capture and sequestration (CCS) technologies are implemented at the fuel conversion facilities. Their study appears in the ACS journal Energy & Fuels. … —Dai and Lastoskie.

Gas 218

Gas Li-ion Gas-Electric Conversion 218

Green Car Congress

JUNE 1, 2015

Stanford University scientists have created a new ultrahigh surface area three-dimensional porous graphitic carbon material that significantly boosts the performance of energy-storage technologies. The maximum surface area achieved with conventional activated carbon is about 3,000 m 2 g –1. cm –3 ), and hierarchical pore architecture.

Energy Storage 150

Energy Storage Carbon Lithium Sulfur Energy 150

Green Car Congress

JULY 8, 2015

million in Carbon Recycling International (CRI). Geely’s CRI investment and work with renewable methanol is similar to the approach Audi is taking with its own e-fuels projects—producing very low carbon liquid or gaseous fuels using only renewable energy, water and CO 2. —Li Shufu, Chairman of Geely Group. Earlier post.).

Renewable 150

Renewable Carbon Water Fuel 150

Green Car Congress

OCTOBER 6, 2015

This year has brought a significant shift in the generating cost comparison between renewable energy and fossil fuels, according to detailed analysis by technology and region, published this week by Bloomberg New Energy Finance. In the US, coal and gas are still cheaper, at $65 per MWh, against onshore wind at $80 and PV at $107.

Wind 150

Wind Solar Coal Fuel 150

Cars That Think

JANUARY 20, 2024

The shipping industry has been trying to cut its carbon emissions for years, and with little to show for it. Nearly all of the world’s ship fleet still runs on diesel fuel, with about a quarter of new ships on order being built to run on somewhat lower-carbon alternatives like liquefied natural gas, methanol, or hybrid propulsion.

Molten Salt 142

Molten Salt Mariner South Korea Water 142

Green Car Congress

FEBRUARY 7, 2009

These synthetic fuels are economically competitive with petro-diesel when the crude oil price (COP) is at or above $86 per barrel (based on a 20% rate of return, in January 2008 dollars, with a carbon price of zero). The study used one feedstock of each type—bituminous coal and switchgrass—to evaluate the CTL/CBTL/BTL processes.

Carbon 186

Carbon Diesel Fuel Coal 186

Green Car Congress

OCTOBER 30, 2009

The 100-year global warming potentials (GWPs) for methane, CO, and NO x (per Tg N) as given in the AR4 and in this study when including no aerosol response; the direct radiative effect of aerosol responses; and the direct+indirect radiative effects of aerosol responses. Source: Shindell at al. Click to enlarge. Shindell et al.

Climate Change 268

Climate Change Climate Ozone Pollution 268

Green Car Congress

NOVEMBER 13, 2014

The study was commissioned by the European Oilseed Alliance (EOA), the European Biodiesel Board (EBB) and the European Vegetable Oil and Proteinmeal Industry (FEDIOL). Both effects increase the carbon footprint of conventional oil. Comparison of well-to-wheel emissions from biofuels with fossil fuels using marginal approach.

Oil-Sands 236

Oil-Sands Oil 2014 Fuel 236

Green Car Congress

JULY 10, 2015

A team at the University of Calgary (Canada) has compared the energy intensities and lifecycle GHG emissions of unconventional oils (oil sands and oil shale) alongside shale gas, coal, lignite, wood and conventional oil and gas. The upper and lower bounds for the projects studied were a NER of 6.1 (16% —Nduagu & Gates.

Oil-Sands 150

Oil-Sands Oil Energy Fuel 150

Baua Electric

JANUARY 20, 2024

Bhargava, chiarman at Maruti Suzuki India, EV batteries are charged primarily using power from thermal power plants, making them more carbon-intensive than hybrids. The company expects the government to provide incentives for hybrid automobiles because they are more ecologically friendly than battery electric vehicles (BEVs).

Hybrid 95

Hybrid Suzuki Tax India 95

Green Car Congress

MARCH 27, 2017

Stuart Licht ( earlier post ) have developed a new process that transforms CO 2 into a controlled selection of nanotubes (CNTs) via molten electrolysis; they call the process C2CNT (CO2 into carbon nanotubes). Molten carbonate electrosynthesized boron-doped CNTs exhibit high electrical conductivity. —Ren et al. Licht (2017).

CO2 150

CO2 Carbon Gas-Electric 2017 150

Green Car Congress

MAY 1, 2009

The concept’s key feature is the use of high-temperature heat from a solar concentrating tower to drive the chemical process of converting biomass to a biofuel, obtaining a near-complete utilization of carbon atoms in the biomass. Ten percent of carbon is oxidized and released to the environment. Energy conversion efficiency (%).

Solar 186

Solar Molten Salt Fuel Production 186

Green Car Congress

JUNE 10, 2011

Both reports also emphasized that although natural gas is the lowest carbon fossil fuel, it is still a fossil fuel. ” The MIT report said that natural gas should be seen as a “ bridge ” to a low-carbon regime, rather than as the ultimate long-term solution itself. Click to enlarge. MIT: The Future of Natural Gas.

MIT 210

MIT Gas Climate Gas-Electric 210

Green Car Congress

AUGUST 5, 2012

The goal of their study was to understand how alternative fuels affect the primary PM emissions, the semi-volatile nature of the these emissions, and the potential for the emissions to form secondary PM. Properties of fuels used in the study. A paper on the results is published in the ACS journal Energy & Fuels. —Drozd et al.

Emissions 240

Emissions Engine Fuel Gas 240

Green Car Congress

JUNE 15, 2013

Electricity prices in comparison. With efficiency ratings of more than 60%, an advanced combined cycle power plant emits less than half the CO 2 produced by a new coal-fired power plant, and wind power is well on its way to be able to deliver electricity as cost-effectively as conventional energy sources. Euro cents/kWh.

Germany 239

Germany Energy Renewable Grid 239

Green Car Congress

FEBRUARY 19, 2010

Overview of the bluegas catalytic coal methanation process. By comparison, syngas resulting from conventional gasification cannot be converted to pipeline quality natural gas without further processing, thereby adding cost. The hydrogen will be used for industrial applications or combusted to generate near-zero carbon electricity.

Coal 186

Coal Carbon Gas Energy 186

Green Car Congress

MAY 21, 2010

IHS CERA’s earlier comparison of 11 publicly available life-cycle analysis studies found that fuel produced from oil sands mining has average well-to–retail pump greenhouse gas emissions 1.3 That WTW range is lower than that determined by a number of other studies, IHS CERA notes.). Conventional oil uses 0.1

Oil-Sands 186

Oil-Sands Oil 2010 Production 186

Green Car Congress

APRIL 28, 2010

The US Department of Energy’s National Energy Technology Laboratory (NETL) has issued a new Funding Opportunity Announcement (FOA) soliciting research projects that will address key challenges related to the utilization of coal-biomass mixtures for co-production of power and hydrogen, fuels, and/or chemicals.

Coal 170

Coal Power Powered Production 170

Green Car Congress

DECEMBER 9, 2012

Comparison of GHGenius, JACOBS, TIAX, and the new PRELIM gasoline greenhouse gas (GHG) estimates using base case estimates and variations from the scenario analysis. A paper on PRELIM and the scenario study is published in the ACS journal Environmental Science & Technology. Credit: ACS, Abella and Bergerson. Click to enlarge.

Oil-Sands 236

Oil-Sands Emissions Oil Hydrogen 236

Plug In Partners

JULY 18, 2008

A study by EPRI , the California Air Resources Board, the National Renewable Energy Laboratory, Argonne National Laboratory, and others (5.3MB PDF) concluded that plug-in hybrids produced substantially lower greenhouse gas emissions than either conventional gasoline cars or unplugged hybrids. refining), and use are added. 2) The U.S.

EPRI 100

EPRI Li-ion Ni-Li PHEV 100

Cars That Think

JANUARY 28, 2023

This is due to the 30 to 40 percent increase in emissions EVs create in comparison to manufacturing an ICE vehicle, mainly from its battery production. In states (or countries ) with a high proportion of coal-generated electricity, the miles needed to break-even climb more. For example, researchers at University of Oxford in the U.K.

Climate Change 133

Climate Change Climate San Diego Emissions 133

Green Car Congress

APRIL 10, 2012

A) CNG light-duty cars vs. gasoline cars; (B) CNG heavy-duty vehicles vs. diesel vehicles; and (C) combined-cycle natural gas plants vs. supercritical coal plants using low-CH 4 coal. On the one hand, a shift to natural gas is promoted as climate mitigation because it has lower carbon per unit energy than coal or oil.

Climate Change 270

Climate Change Climate Gas Coal 270

Get Electric Vehicle

MAY 14, 2023

On-air updates for the best strategy selection based on the collected data from the vehicle Controllers for Switched Reluctance Motor (SRM) for EVs and Detailed comparison with Induction Motor Drives (Efficiency, Range, Energy Consumption, etc.) are a few topics related to the EV controller. are a few topics related to the EV controller.

IDEA 98

IDEA Electric Vehicles Engine DC 98

Green Car Congress

JANUARY 21, 2010

Headwaters direct coal liquefaction process. Headwaters Inc and Axens are forming a strategic alliance to provide a single-source solution for producing synthetic fuels by direct coal liquefaction (DCL) alone or in combination with refinery residues or biomass. Up to 50% more liquid product per ton of coal. Source: Headwaters.

Coal 170

Coal Diesel Hydrogen Gasoline 170

Green Car Congress

JUNE 30, 2013

life-cycle study of three Li-ion battery chemistries for plug-in hybrid (PHEV) and battery-electric (BEV) vehicles generated a number of findings and identified opportunities for improving the environmental profile of Li-ion batteries for use in plug-in and electric vehicles. A recent Abt Associates, Inc. Click to enlarge. Click to enlarge.

Li-ion 210

Li-ion PHEV Batteries Battery 210

Tony Karrer Delicious EVdriven

APRIL 21, 2009

Plug-In Hybrids Are Cleaner (Even on a Coal Grid) [ to top ] This entire section is finally obsolete -- because we now have a definitive study by the Electric Power Research Institute and the Natural Resources Defense Council. Three more points: Both reports match up well with previous studies. The GREET 1.6

Plug-in 61

Plug-in Plugin Plug Hybrid 61

Green Car Congress

JULY 1, 2015

the “carbon footprint” of electricity production and use), according to a new study by researchers at Carnegie Mellon University. Most studies indicate that the key factor when comparing PEVs and gasoline vehicles is the magnitude of emissions associated with electricity production. Credit: ACS, Tamayao et al. Click to enlarge.

Prius 150

Prius Nissan Toyota Texas 150

Get Electric Vehicle

FEBRUARY 16, 2022

Solar charging stations and Conventional charging stations (electricity from coal) comparison. Carbon footprint from EV and IC engine vehicles 4. Comparison of P1, P2, P3, P4 configuration of HEV using simulation studies 3. But if you use the models available in MATLAB, then the study would be a bit easier.

IDEA 98

IDEA Electric Vehicles Vehicles Electric 98

Plug In India

APRIL 14, 2021

Where as a petrol scooter emits a combination of carbon dioxide, carbon monoxide and particulate matter. Many of you write to us about the long tailpipe of electric vehicles and coal is major source of electricity generated in India. The petrol scooter is not good for the air quality of our cities.

Petrol 52

Petrol India Electric Electrical 52

Green Car Congress

NOVEMBER 13, 2011

Without a bold change of policy direction, the IEA warned at the launch, the world will lock itself into an insecure, inefficient and high-carbon energy system. The Current Policies Scenario assumes no new policies are added to those in place as of mid-2011, and is used as a basis for comparison with the New POlicies Scenario.

Oil 247

Oil Transportation Cheap Fleet 247

Green Car Congress

JULY 17, 2015

Dr. Frank is Professor Emeritus, Mechanical and Aeronautical Engineering at the University of California, Davis, where he established the Institute for Transportation Studies (ITS-Davis), and was director of the US Department of Energy’s National Center of Hybrid Excellence at UC Davis. How PHEV enhances The Electric Infrastructure.

PHEV 150

PHEV Plug-in Renewable Energy 150