Addition/Correction pubs.acs.org/est
Correction to The Effect of Compression Ratio, Fuel Octane Rating, and Ethanol Content on Spark-Ignition Engine Efficiency Thomas G. Leone, James E. Anderson, Richard S. Davis, Asim Iqbal, Ronald A. Reese, II, Michael H. Shelby, and William M. Studzinski Environ. Sci. Technol. 2015, 49 (18), 10778−10789; DOI: 10.1021/acs.est.5b01420. he equation 8 contained an error. The Ce,ref/Ce,HO term should be inverted. While the equation shown was incorrect, the text, tables, and figures contain the correct data. Equation should instead read
T
−1 ⎛⎛ ⎞ Δηtotal ⎞ ⎛ Ce,HO ⎞ ⎟⎟ − 1⎟⎟ Δ%CO2 = 100% × ⎜⎜⎜1 + ⎟ ⎜⎜ 100% ⎠ ⎝ Ce,ref ⎠ ⎝⎝ ⎠
© XXXX American Chemical Society
A
DOI: 10.1021/acs.est.7b03991 Environ. Sci. Technol. XXXX, XXX, XXX−XXX
