Corn ethanol production and use emits 22 percent less greenhouse
gas than gasoline, according to the October 2007 issue of National Geographic magazine.
It is expensive, and at best produces only slightly less greenhouse
gas than gasoline.
The country would be spending billions in loans, tax incentives and price guarantees to lock in a technology that produces more greenhouse
gases than gasoline does.
Using corn crop residue to make ethanol and other biofuels reduces soil carbon and can generate more greenhouse
gases than gasoline, according to a study published today in the journal Nature Climate Change.
Speaking at the American Association for the Advancement of Science annual meeting in San Francisco, Dale says that while corn ethanol produces less greenhouse
gases than gasoline, it can cause other detrimental environmental effects if not carefully managed.
Most analysts initially said gas (on a «well - to - wheels» basis) was 30 - 40 % lower in greenhouse
gases than gasoline.
He pointed to findings that corn ethanol, which plays the largest role in meeting RFS mandates, emits more greenhouse
gases than gasoline, and he said it is «confusing» for the Obama administration to push corn ethanol while it seeks to lower global greenhouse gas emissions at the Paris climate summit.
California Air Resources Board studies show that battery electric vehicles emit at least 67 % lower greenhouse
gases than gasoline cars — even more assuming renewables.
Corn ethanol emits about 20 percent fewer greenhouse
gases than gasoline, but it requires more water, and it has raised the price of grain and food.
Ironically, despite a reputation for being dirty, diesel engines produce one - third less greenhouse
gases than their gasoline siblings do.
Not exact matches
The stock has soared more
than eight per cent over the past week on speculation the company could buy the retail operations of oil and
gas giant Hess, which owns about 1,350
gasoline stations in 16 East Coast states.
It helps that
gasoline prices are low, and people spent almost 5 % less in April filling their
gas tanks
than they did in March — that likely freed up some cash for other purchases.
It retails for more
than $ 38,000, while the
gas - powered Versa (which consumes just 5.7 litres of
gasoline for every 100 km) costs less
than $ 15,000.
The pipeline operator has more
than 84,000 miles of pipelines that transport natural
gas,
gasoline, and crude oil in the U.S. and Canada.
Lacking the density of liquid fuels,
gas requires large tanks for the compressed fuel and even then has a more limited driving range
than gasoline or diesel.
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.
DIESEL FUEL - It is less refined and more energy dense
than gasoline, converting heat into energy more efficiently, sending less heat out the tailpipe
than gas - powered vehicles.
It used to be cheaper at the pump
than gasoline, which was a selling point for diesel cars, but in the United States, its price is currently above the price for
gas.
FUEL ECONOMY - Diesels can get up to 30 percent more miles per gallon of fuel
than similar
gas powered cars and can be more economical
than gasoline - electric hybrids.
Gasoline and natural
gas prices, which have been lower this summer
than last, dragged down the overall Consumer Price -LSB-...]
He went on, «You are 75 percent cheaper
than the rest of the world on natural
gas, you are 10 percent cheaper on oil and you are half the price of
gasoline as the rest of the world.
Don't get me wrong, if there is a
gasoline rewards credit card that is worth more to you
than 2 travel points per $ 1 then, by all means, apply for it and use it for when you buy
gas.
For example, when one buys
gasoline from a filling station, one does so because one wants the
gas more
than the cash.
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.
As for the fuel, more
than 45 million metric tons (45 billion kilograms) of the lightweight
gas is produced every year as part of making fertilizer, chemicals and the
gasoline used to power cars today.
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.
Natural
gas is cleaner - burning
than gasoline, and today there are more
than 150,000 compressed natural
gas (CNG) vehicles on the road in the U.S., most of them trucks and buses.
The team claim the system will reduce fuel consumption and greenhouse
gas emissions by more
than 30 per cent compared with conventional
gasoline engines.
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.
Charting Historical
Gas Prices Does
gasoline eat up more of a person's paycheck today
than it did years ago?
Research has shown that the time wasted in
gas lines resulting from the price ceiling cost most American consumers more money
than what they «saved» by paying less for price - controlled
gasoline.
Compressed natural
gas (CNG) often is recommended for schools because the vehicles are readily available and the fuel is considerably less expensive
than gasoline.
The E350 BlueTec is a tough sell for several reasons: It's priced higher
than the regular E350, it's fuel economy is only marginally better
than its
gas - fed counterpart, and average fuel costs for its owner will be higher because diesel fuel is generally more expensive
than gasoline.
This new
gas - electric version costs just $ 700 more
than the equivalent
gasoline - powered RAV4, and offers an 8 - mpg bump in combined fuel economy according to the EPA.
In addition, the Civic Natural
Gas is very slow because it weighs between 53 and 247 pounds more
than other Civic sedans, yet the 1.8 - liter engine produces only 110 hp, compared to 140 hp in
gasoline - fed models.
The only negative for owners could be having to go out of their way to fill up, as natural
gas refueling stations are certainly harder to come by
than their
gasoline counterparts.
Natural
gas is a fossil fuel comprised mostly of methane and is cleaner burning
than gasoline or diesel fuel.
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.
Ethanol proponents claim that ethanol will deliver equal or better
gas mileage
than gasoline, when ethanol is used to fuel an engine optimized to take advantage of ethanol's superior combustion characteristics.
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.
That means the Ford Focus Electric could charge in about 3 hours — but this is still a lot slower
than the 3 minutes to add a gallon of
gas to your 100MPG
gasoline engine vehicle.
Rather
than giving a list of all the nearest
gas stations, it first wanted me to select a station brand in the
Gasoline category.
Phill allows consumers to refuel their natural
gas Civic GX from home at a much lower fuel cost
than gasoline.
Generally delivers better fuel economy and more pulling power
than a comparable
gas engine, but requires the use of diesel fuel, which is harder to find
than gasoline and often costs more.