Sentences with phrase «emissions than a gasoline»

Natural gas vehicles have been found to produce less greenhouse gas emissions than gasoline vehicles, but very little natural gas consumption is currently used for transportation fuel.

On the other hand, a clean diesel powered Volkswagen Jetta produces about 6.4 tons per year, or about 45 percent more carbon - based emissions than the gasoline hybrid vehicle.

A few recent studies still claim that corn ethanol produces fewer emissions than gasoline, but a careful look reveals that their methods don't properly account for land use change.

Electric vehicles, followed by hybrid vehicles, have lower carbon emissions than gasoline - powered cars.

Back in the summer, I took issue with some studies claiming that in some parts of the country, electric cars produce more emissions than their gasoline counterparts.

Not exact matches

An assessment paid for by DuPont said that the ethanol it will produce there could be more than 100 per cent better than gasoline in terms of greenhouse gas emissions.

«The study says it will be very hard to make a biofuel that has a better greenhouse gas impact than gasoline using corn residue,» which puts it in the same boat as corn - based ethanol, said David Tilman, a professor at the University of Minnesota who has done research on biofuels» emissions from the farm to the tailpipe.

A peer - reviewed study performed at the Energy Department's Argonne National Laboratory in 2012 found that biofuels made with corn residue were 95 per cent better than gasoline in greenhouse gas emissions.

EMISSIONS - Because diesel fuel is heavier and oilier than gasoline it can be more polluting, earning a reputation for sootiness when it came into wider U.S. automotive use during the 1970's oil crisis.

Cisco Systems San Jose, CA Information Technology 401 million green kWh, 46 % of total power used By switching nearly half its operations to renewable energy, Cisco has eliminated the carbon emissions equal to those of more than 31 million gallons of burned gasoline.

Even the oil sands ultimate consumption in a gasoline, diesel or jet engine only results in 500 kilograms of CO2 - equivalent per barrel of refined petroleum products, meaning total oil sands emissions from well to wheel are considerably lower than those of this nation's more than 500 power plants burning coal to generate electricity.

On a life - cycle basis, FCVs running on hydrogen derived from steam - reforming natural gas — currently the most affordable way of making hydrogen — produce less than half the greenhouse gas emissions of a gasoline - powered car.

Experts on greenhouse - gas emissions tell me that every time my car burns a gallon of gasoline, I am putting more than 25 pounds of carbon dioxide into the atmosphere as well as a smaller amount of methane, nitrous oxide, and various other toxic gases.

Total annual production emissions, averaged over five years, would equal about 100 grams of carbon dioxide per megajoule — which is 7 percent greater than gasoline emissions and 62 grams above the 60 percent reduction in greenhouse gas emissions as required by the 2007 Energy Independence and Security Act.

It produces less carbon dioxide emissions than coal for electricity or gasoline and diesel for fuel, but even a small amount of natural gas release — which is essentially methane — packs a greenhouse gas punch about 30 times more powerful than the same amount of carbon dioxide.

They concluded that we'd lower greenhouse gas emissions more by driving gasoline / electric hybrid cars than by driving fuel cell cars run on hydrogen from coal.

B - Cycle, the company that designs the bike - sharing systems used in Denver and more than 20 other cities across the country, says that on all of its systems combined, 2.1 million bike trips covering 4.5 million miles have been made on its bicycles since 2010, all of which have offset more than 2,948 metric tons of CO2 emissions and saved more than 330,000 gallons of gasoline, B - Cycle spokeswoman Marina Marich said.

The team claim the system will reduce fuel consumption and greenhouse gas emissions by more than 30 per cent compared with conventional gasoline engines.

California can reduce carbon emissions by more than 70 million metric tons by 2030 — akin to taking 15 million gasoline - powered cars off the road in one year — by adopting a higher target for its Low Carbon Fuel Standard (LCFS), according to an analysis released by the UK - based research firm Cerulogy.

And yet, in terms of greenhouse - gas emissions, grid - charged cars are still cleaner than their gasoline - powered counterparts, and that's particularly true in California, where we rely largely on natural gas to make electricity.

According to a book Vehicular Air Pollution I found from Google Books, ethanol fuel actually has some emissions worse than gasoline: ethanol emits more aldehydes.

''... Under the average U.S. electricity grid mix, we found that producing a midsize, midrange (84 miles per charge) BEV typically adds a little over 1 ton of emissions to the total manufacturing emissions, resulting in 15 percent greater emissions than in manufacturing a similar gasoline vehicle.

Writing in the Wall Street Journal, the skeptical environmentalist himself, Bj ¯ rn Lomborg, recently revealed a devastating analysis of the EV's real carbon footprint: «If a typical electric car is driven 50,000 miles in its lifetime, the huge initial emissions from its manufacture means the car will actually have put more carbon dioxide in the atmosphere than a similar - size gasoline - powered car driven the same number of miles.»

Set to make its public debut at the Paris Motor Show in October, the first Mercedes - Benz dedicated plug - in hybrid model uses a new parallel gasoline - electric drivetrain that is claimed to net the big luxury sedan combined cycle consumption of 84 mpg (U.S.) on the European test cycle while providing it with a zero - emissions electric range of more than 20 miles.

Thanks to radical downsizing, the Turbocharged Small Gasoline Engine achieves diesel - like CO2 emission levels, which are further reduced in its natural gas version with CO2 emissions lower than 80 g / km in many vehicle applications.

The Zafira and Combo CNG (Compressed Natural Gas) produce almost no soot particles, 20 percent less carbon dioxide than a comparable gasoline model and an up to 80 percent reduction in other harmful emissions.

Rated as a Super Ultra Low Emission Vehicle (SULEV), 3 Prius c produces fewer smog - forming emissions than an average gasoline - powered new vehicle.

Vehicles equipped with a diesel engine generally return better fuel economy than vehicles equipped with a gasoline engine, but the exhaust is typically more harmful in terms of emissions and particulate pollutants, even when it meets official minimum standards.

The six - liter TDI uses significantly less fuel than any competing gasoline engine in the high - performance SUV sector; thanks to efficient combustion and the complex exhaust emission control system, the Audi Q7 V12 TDI quattro already complies with future emissions standards.

So far, hybrids have reduced the gasoline consumed, and emissions and pollutants generated by cars, far more than electric vehicles have.

The company says V -6-powered Explorers have 74 percent less smog - forming emissions than the previous model and are certified to have the same low emissions as the Ford Escape and Mercury Mariner gasoline - electric hybrids.

Toyota calculates that as of July 31, its hybrid vehicles have resulted in approximately 58 million fewer tons of CO2 emissions than would have been emitted by gasoline - powered vehicles of similar size and driving performance.

And yet, in terms of greenhouse - gas emissions, grid - charged cars are still cleaner than their gasoline - powered counterparts, and that's particularly true in California, where we rely largely on natural gas to make electricity.

Nearly half of Americans (45 %) live in the «best» regions where EVs produce lower global warming emissions than even the most fuel - efficient gasoline hybrids on the market today (greater than 50 mpg).

To qualify as «advanced,» EPA has to certify that the fuel emits less greenhouse gas emissions than conventional gasoline.

An independent panel of academic scientists for the National Research Council of the National Academy of Sciences — reviewing the conflicting work of Searchinger, Wang and several others — concluded in a 2011 report that «corn - grain ethanol might not have lower [greenhouse gas emission] values than petroleum - based gasoline.»

Moreover, even when emissions from the generation of electricity (upstream emissions) were considered, electric vehicles produced 21 times less carbon dioxide equivalent emissions per year than their gasoline - powered alternatives.

Many studies have also shown ethanol can actually result in higher overall greenhouse emissions and require greater quantities of water than gasoline.

Because so little energy is required to cultivate crops such as switchgrass for cellulosic ethanol production, and because electricity can be co-produced using the residues of such cellulosic fuel production, reductions in greenhouse gas emissions for celluslosic ethanol when compared to gasoline are greater than 100 per cent.

The absorption emission factor (the absorption cross-section per mass of fuel burned) for diesel trucks (4.4 -LCB- + --RCB- 0.79 m -LCB- sup 2 -RCB- kg -LCB- sup -1 -RCB--RRB- was 22 times larger than for light - duty gasoline vehicles (0.20 -LCB- + --RCB- 0.05 m -LCB- sup 2 -RCB- kg -LCB- sup -1 -RCB--RRB-.

If the entire grid were coal, you could double that (7,800 pounds), so even in that worst - case scenario, you'd still have far LOWER CO2 emissions from a plug - in Prius than from the average new car on the road running on gasoline.

Operating cost for electric cars is $ 0.50 to $ 0.75 per mile versus $ 0.10 for gasoline powered cars once battery replacement costs are included By 2020, Chinese PER CAPITA emissions will be higher than America's Does not believe that the 0.6 degree temperature rise to date is the West's «fault,» but does believe that China is the future problem Whatever U.S. does about emissions reduction and what people do as individuals is totally trivial in face of the fact that China is adding huge amounts of coal fired generating capacity The most meaningful emissions reduction strategy today would be to convert China from coal to natural gas The claim that there are more frequent or more intense hurricanes and tornadoes as a result of AGW is not scientifically supported We can reduce emissions, but it is important that we do the RIGHT things (and NOT the WRONG ones) Not worried about «peak oil;» coal can be converted to liquid fuel

(Some day, a definitive report whose assumptions everyone accepts will replace the multiple analyses that show electricity's well - to - wheel emissions on the national power grid are lower than gasoline, and we won't have to answer that one anymore either.)

The transportation sector accounts for roughly one - third of U.S. carbon emissions, of which more than half (about 60 percent) come from the use of gasoline in our cars, pickups, SUVs, and minivans.

For a preview of what this could mean to American families, one can look to Germany, where due to restrictions on carbon dioxide emissions, electricity costs three - times more than in the US and gasoline is now $ 8.00 per gallon.

I think it's worth noting that even running on pure coal - electricty, a plug - in hybrid electric today would have much lower emissions of greenhouse gasses than the average new car today running on gasoline, and about the same emissions as a regular hybrid.

In the Northeast and Northwest, where a bigger portion of the power is produced with nuclear reactors, hydroelectric dams, natural gas - fired power plants and wind farms, an electric car will produce 76 percent fewer greenhouse gas emissions than a typical gasoline - powered car and 56 percent fewer emissions than a hybrid.

Diesel engines are generally more fuel - efficient than gasoline engines and thus have lower CO2 emissions, but increase particle emissions.

The EPA's experts determined that corn ethanol was only modestly better than gasoline when it came to carbon dioxide emissions.

If we add up all of these costs, which we did in a study published in 2012 in the Proceedings of the National Academy of Sciences, we find thousands of dollars of damages per vehicle (gasoline or electric) that are paid by the overall population rather than only by those releasing the emissions and consuming the oil.