['Air Programs']

['Air Emissions']

07/06/2026

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REGSENSE
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Air Programs - Air Emissions

§1065.120 Fuel properties and fuel temperature and pressure.

RegSense Air Emissions CFR Regulations Environmental Protection Agency (EPA)CAA Compliance Environmental CFR Section Focus Area English Air Programs USA

(a) Use fuels as specified in the standard-setting part, or as specified in subpart H of this part if fuels are not specified in the standard-setting part.

(b) If the engine manufacturer specifies fuel temperature and pressure tolerances and the location where they are to be measured, then measure the fuel temperature and pressure at the specified location to show that you are within these tolerances throughout testing.

(c) If the engine manufacturer does not specify fuel temperature and pressure tolerances, use good engineering judgment to set and control fuel temperature and pressure in a way that represents typical in-use fuel temperatures and pressures.

[70 FR 40516, July 13, 2005, as amended at 73 FR 37293, June 30, 2008]

['Air Programs']

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