The document discusses ways to reduce carbon emissions from transportation through smarter travel. It recommends developing travel plans to encourage alternatives to driving alone, such as carpooling, public transit, biking, walking and teleworking. Specific measures include restricting parking permits, reviewing mileage reimbursement policies, and providing incentives for low-emission vehicles, cycling and public transit usage. The goal is an 80% reduction in transportation carbon emissions by 2050 to help meet the UK's climate targets.