Monthly Motor Vehicle Fuel Sales in Connecticut

Gasohol purchases were subject to a motor vehicle fuels tax of 25¢ per gallon as of May 2023. This dataset tracks monthly sales volumes in gallons for diesel, gasohol, and alternative fuels like natural gas and propane, reported by the Connecticut Department of Revenue Services. It includes fiscal and calendar years, a period end date, a total gallons sold figure, and a column for gallons exempted during a gas tax holiday.

Use Cases

• Analyzing seasonal fuel consumption trends using Month, Calendar Year, and Gasohol Gallons Sold.
• Calculating tax revenue estimates using Diesel Fuel Gallons Sold and the stated tax rates.
• Comparing the adoption of alternative fuels over time using Alternative Fuel Gallons Sold and Period End Date.
• Assessing the impact of tax policy changes using Gas Tax Holiday Exempt Gallons and Fiscal Year.

Strengths

• Provides specific, current tax rate information for gasohol (25¢/gallon), diesel (49.2¢/gallon), and alternative fuels (26¢/gallon).
• Contains detailed temporal breakdowns with columns for Month, Calendar Year, Fiscal Year, and Period End Date.
• Is published by an authoritative source, the Connecticut Department of Revenue Services.

Limitations

• Key metadata such as row count, file size, and license are missing from all platform listings.
• The last updated date conflicts between sources, with Socrata showing 2026-05-06 and Data.gov showing 2026-03-22.
• The Data.gov listing lacks column names and tags, indicating incomplete metadata.

Provenance

Source

State of Connecticut, Department of Revenue Services.

Collection Method

Likely collected from fuel tax filings and reports.

Freshness

Last updated on 2026-05-06 according to Socrata (conflicting with Data.gov's 2026-03-22).

Geography

Connecticut, United States.