Archive for the 'fuel emission' Category

What percentage of car exhaust is unburnt fuel?

if you know that, this would be great as well:
% of coal power plant emissions that is unburnt fuel
very little, less than 0.1%. That’s what the catalytic converter does.
I’d guess at a coal plant number of less than 1%, any more and it hurts the profits.

HOW DO I FIX P1450(P1450 Inability of Evaporative Emission Control System to Bleed Fuel Tank?

Tighten your gas cap.

How to test fuel line pressure?

on my 2 tank 95 f150, i failed the fuel pressure something emission test.
Due to previous owner and the fuel filter, I had to cut the line and stop using the front tank; could that be what causes this? Plus, do they sell or check for this at normal garages or stores, so [...]

My car just failed emissions because the air/fuel mixture is too rich? What fixes this problem?

And how expensive is this going to be?
It’s a 2000 Chevy Cavalier
And, yes, engine light is on.
needs a tune up. plugs, wires,cap and rotor. fuel injection or carb? if carb it could need adjustment. if fuel injection pobably the o2 sensor,but could also be, map sensor, maf sensor or egr valve. what kind of car [...]

What is the co2 emission for bio diesel compare to ordinary diesel fuel?

How is this calculated and why is bio diesel so popular?
CO2 emissions are very similar to emissions from petrodiesel. The difference is, this is carbon that’s extracted from something that was alive recently, generally a plant (it is possible to make biodiesel from animal fat, but that is not done). Plants absorb CO2 [...]

What adjustments would you consider making to your car to try to save fuel and reduce carbon emissions?

The #1 adjustment anyone can make to a car to reduce fossil fuel use is to have it transport vegetables only from the supermarket and no meat or dairy, both of which are responsible for 51% of all greenhouse gases, according to the WorldWatch Institute.
Apart from this one very significant adjustment, you can keep tires [...]

What causes a fuel "tank" to lose pressure?

My van failed emissions today, says that the fuel tank is losing pressure. EVAP test over cutpoint is what it says. measured .67 limit is .40. What causes this?
The fuel cap was tested on and off. Fuel cap is not problem. This is CALIFORNIA By the way. lol
there is a line that runs from the [...]

Which of the following best describes the features of a fuel cell?

a. The process which provides electrical current in a fuel cell is the direct combining of a molecule of oxygen and two molecules of hydrogen to form two molecules of water.
b. A fuel cell is very like a lead-acid battery: energy is stored initially as chemical energy; and the total electrical energy able to be [...]

Does Jevons Paradox apply to fuel efficiency in cars?

According to Wikipedia, Jevons Paradox states that "as technological improvements increase the efficiency with which a resource is used, total consumption of that resource tends to increase, rather than decrease." From what I read, the Paradox does not apply to all resources, but I was wondering if it applies to gasoline (especially in developing [...]

What percentage of car exhaust is unburnt fuel?

if you know that, this would be great as well:
% of coal power plant emissions that is unburnt fuel
It really depends upon whether the engine is burning a ‘rich’ or a ‘weak’ mixture of petrol and air. A mixture about 10% rich in fuel gives the most power, whilst the most efficient running occurs [...]