| Goodbye to carbon neutral: Getting biomass footprints right E Johnson Environmental impact assessment review 29 (3), 165-168, 2009 | 477 | 2009 |
| Integrated enzyme production lowers the cost of cellulosic ethanol E Johnson Biofuels, Bioproducts and Biorefining 10 (2), 164-174, 2016 | 199 | 2016 |
| Fungi down on the farm. J Mannon, E Johnson | 145 | 1985 |
| Direct methanol fuel cells–ready to go commercial? G Apanel, E Johnson Fuel Cells Bulletin 2004 (11), 12-17, 2004 | 128 | 2004 |
| Air-source heat pump carbon footprints: HFC impacts and comparison to other heat sources EP Johnson Energy Policy 39 (3), 1369-1381, 2011 | 126 | 2011 |
| Disagreement over carbon footprints: A comparison of electric and LPG forklifts E Johnson Energy Policy 36 (4), 1569-1573, 2008 | 124 | 2008 |
| LPG: a secure, cleaner transport fuel? A policy recommendation for Europe E Johnson Energy Policy 31 (15), 1573-1577, 2003 | 87 | 2003 |
| Global warming from HFC E Johnson Environmental Impact Assessment Review 18 (6), 485-492, 1998 | 77 | 1998 |
| Charcoal versus LPG grilling: a carbon-footprint comparison E Johnson Environmental Impact Assessment Review 29 (6), 370-378, 2009 | 67 | 2009 |
| Carbon trading: time for industry involvement E Johnson, R Heinen Environment International 30 (2), 279-288, 2004 | 63 | 2004 |
| Process technologies and projects for BioLPG E Johnson Energies 12 (2), 250, 2019 | 37 | 2019 |
| A carbon footprint of HVO biopropane E Johnson Biofuels, Bioproducts and Biorefining 11 (5), 887-896, 2017 | 36 | 2017 |
| Baseline effects on carbon footprints of biofuels: The case of wood E Johnson, D Tschudi Environmental Impact Assessment Review 37, 12-17, 2012 | 35 | 2012 |
| Sustainability in the chemical industry E Johnson Springer Science & Business Media, 2012 | 30 | 2012 |
| Environmental aspects of fluorinated materials: part 31: comparative life-cycle assessment of the impacts associated with fire extinguishants HFC-227ea and IG-541 RE Banks, EK Clarke, EP Johnson, PN Sharratt Process safety and environmental protection 76 (3), 229-238, 1998 | 29 | 1998 |
| Carbon footprints of heating oil and LPG heating systems EP Johnson Environmental Impact Assessment Review 35, 11-22, 2012 | 28 | 2012 |
| Carbon footprints of biofuels & petrofuels R Heinen, E Johnson Industrial Biotechnology 4 (3), 257-261, 2008 | 21 | 2008 |
| Aircraft de-icer: Recycling can cut carbon emissions in half EP Johnson Environmental impact assessment review 32 (1), 156-164, 2012 | 19 | 2012 |
| Ch. Es are Back in High Demand N Basta, E Johnson Chemical Engineering 96 (8), 22, 1989 | 17 | 1989 |
| Cars and ground-level ozone: how do fuels compare? E Johnson European Transport Research Review 9, 1-13, 2017 | 16 | 2017 |
