name: FuelEconomy.gov API Rate Limits description: >- FuelEconomy.gov does not publish explicit rate limit policies. As a U.S. federal government public data service administered by Oak Ridge National Laboratory, the API is freely accessible without authentication. No documented throttling or quota restrictions exist. Consumers are encouraged to cache responses locally and use bulk data downloads for large-scale data needs. specificationVersion: "0.1" rateLimits: - name: Default Public Rate Limit description: >- No officially documented rate limit. The API is a public service with no authentication requirements. Responsible use and local caching are recommended for high-volume consumers. requests: null period: null scope: global authenticated: false notes: >- No rate limit is published. For bulk data access, DOE/EPA recommend using the CSV and XML download files available at https://www.fueleconomy.gov/feg/download.shtml rather than making repeated individual API calls. Data is updated regularly (e.g., the all-model-years dataset is refreshed weekly).