Chelsea research currently focuses on advanced biofuel technology pathways and the greenhouse gas implications of diverting waste and residues to biofuel production. Previously, as a consultant for the ICCT, she wrote a white paper with the passenger vehicles program on real-world NOx and CO2 emissions from diesel cars in Europe. Chelsea also has a background in terrestrial ecology. She holds a Master of Environmental Management in Environmental Economics and Policy from Duke University and a B.A. in Environmental Sciences and Economics from Northwestern University.