Biofuels have gained increasing attention as an alternative to fossil fuels for several reasons, one of which is their potential to reduce the greenhouse gas (GHG) emissions from the transportation sector. Recent studies have questioned the validity of claims about the potential for biofuels to...

This paper explores the efficacy of environmental protection in road transportation that produces greenhouse gas (GHG) emissions as a result of vehicle travel frequencies in a region. Road transportation deduces the highest contributor of carbon emissions coupled with human interventions in the...

We study the connection between corporate taxation and carbon emissions in the US. Counter to optimal taxation of negative externalities, we find that dirty firms pay lower profit taxes. This relationship is driven by dirty firms benefiting disproportionately more from the tax shield of debt,...