Fuel economy guides

Plain-English explainers built on the full EPA dataset, with every number drawn from the same ratings you see across the site.

40 Years of Fuel Economy: How MPG Changed Since 1984How the fuel economy of new vehicles has changed since 1984, and how quickly hybrids and EVs took over.Gas vs Hybrid vs Plug-in vs Electric: 2026 Fuel Costs ComparedWhat each powertrain actually costs to fuel, based on every 2026 model the EPA rated.What Is MPGe? Electric Car Efficiency ExplainedMPGe, kWh per 100 miles and miles per kWh explained, with real EPA figures for current EVs.City vs Highway MPG: Why Hybrids Flip the RuleAlmost every gas car does better on the highway. About one hybrid in four does better in the city. Here's why.