Gasoline vapor contributes to ground-level ozone ... It gets trickier with ethanol. Since 97 percent of all gasoline sold contains ethanol—and, according to the American Petroleum Institute ...

If the vapor pressure of gasoline is too high ... because of its non-ideal behavior in gasoline blends. Ethanol Is Not Ideal Pure ethanol has an RVP of 2 psi. If the mixing was ideal, a blend ...

and modern gasoline using Ethanol has a much lower boiling point than in the past. The risk of vapor lock can be reduced by using fuels without Ethanol, though it will remain a potential issue for ...

Ethanol also wants to evaporate more than gasoline, and fuel evaporation is a major source of air pollution, so you need those spring-loaded vapor seals on fuel pumps and similar gear at the ...

Ethanol increases vapor pressure (more on that here), which is why the Environmental Protection Agency has strictly mandated summer gasoline blends since 1989. One benefit to consumers ...

For ethanol, it's approximately 130 kilojoules per kilogram, which is more than twice that value for gasoline. Why is this important? Before a fuel combusts, it must exist as vapor mixed with air ...

Whenever a fuel is listed as E10, E15, E85, E100 or E##, the number simply represents the percentage of ethanol in the fuel by volume. So for example, most pump gas today is E10, meaning up to 10% ...

The Aircela acts like a mini direct air capture facility, sucking up carbon dioxide and then synthesizing it into real, ...

E85 is the official name for flex-fuel. There’s a common misconception that it contains 85% ethanol, which isn’t always the case; ethanol has a higher vapor point than gasoline, making it hard to ...

The Environmental Protection Agency has announced a final rule permitting drivers in eight Midwestern states to use a higher blend of ethanol year-round. The fuel additive consumes roughly 40% of ...