April Covington

Near-Field Characterization of Methane Emission Variability from a Compressor Station Using a Model Aircraft

Brian Nathan, Levi M. Golston, A. S. O’Brien et al. · Environmental Science & Technology · 2015 · 154 citations

Pump-to-Wheels Methane Emissions from the Heavy-Duty Transportation Sector

Nigel Clark, David L. McKain, Derek Johnson et al. · Environmental Science & Technology · 2016 · 58 citations

Engineering, Compressed Natural Gas, Transportation Emissions +8

Methane Emissions from Leak and Loss Audits of Natural Gas Compressor Stations and Storage Facilities

Derek Johnson, April Covington, Nigel Clark · Environmental Science & Technology · 2015 · 51 citations

Methane Slip, Fourier Transform, Loss Audits +12

Oleic Methyl Ester Investigations in an Indirect Injection Diesel Engine; Stage One: Combustion Investigations

Valentin Soloiu, Jeff Lewis, April Covington et al. · SAE international journal of fuels and lubricants · 2011 · 23 citations

Future methane emissions from the heavy-duty natural gas transportation sector for stasis, high, medium, and low scenarios in 2035

Nigel Clark, Derek Johnson, David L. McKain et al. · Journal of the Air & Waste Management Association · 2017 · 15 citations · Full text