§ 86.347-79 - Alternative calculations for diesel engines.

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(a) This section applies to Diesel engines only. Gasoline-fueled engines must use the calculations in §86.345.
(b) For Diesel engines, the calculations specified in 40 CFR 86.977-15 may be substituted for §86.345.
(c) The modal BSFC and weighted BSFC shall be calculated per §86.345.
(d) If the provisions of this section are used, a CO2 measurement is not required.
(e) Both 40 CFR 86.977-15(a) and §86.313 shall apply to air-flow measurements. For the purposes of this section, the air-flow measurement accuracy specified in §86.313 shall be ±1 percent.

                    
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