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A research paper by the Stockholm Environment Institute that develops a detailed road transport inventory for greenhouse gases and air pollutants in Kenya to analyze policy scenarios and project emissions from 2010 to 2050.

This research paper proposes a methodology for estimating in-use vehicle fuel economy in sub-Saharan African cities, using Nairobi as a case study to address data gaps caused by incomplete official records and the prevalence of informal transport.

The Center for International Environmental Law criticizes the Trump Administration's Safe Affordable Fuel-Efficient (SAFE) Vehicles Rule, arguing that loosening carbon emissions standards for 2021-2026 and rolling back the Corporate Average Fuel Economy (CAFE) program undermines climate goals and ignores global market trends toward low-carbon vehicles.

This report by RMI proposes the 'feebate' as a legislative tool to increase automobile fuel economy and reduce greenhouse gas emissions. A feebate applies a surcharge (fee) to inefficient vehicles to fund rebates for efficient ones, creating a self-financing mechanism that encourages manufacturers to innovate across all vehicle size classes without restricting consumer choice.