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Connecticut Diesel Prices

Current Price:

$3.890

per gallon

Current Price

$3.890

per gallon

State Tax

$0.495

per gallon

Federal Tax

$0.244

per gallon

Total Tax

$0.739

per gallon

Connecticut Diesel Tax Breakdown

ComponentAmount
Base Price (before taxes)$3.151/gal
State Tax (CT)$0.495/gal
Federal Tax$0.244/gal
Total Price at Pump$3.890/gal

How Connecticut Diesel Prices Are Measured

Diesel prices come from two independent sources that measure differently:

AAA Daily Average

Based on over 100,000 gas stations nationwide. Updated daily using actual pump prices reported by stations and credit card transaction data.

  • Update frequency: Daily
  • Granularity: State-level (all 50 states + DC)
  • Methodology: Station-reported pump prices

EIA Weekly Survey

Published by the U.S. Energy Information Administration. Connecticut falls within PADD 1 - East Coast, one of five Petroleum Administration for Defense Districts (PADDs).

  • Update frequency: Weekly (Mondays)
  • Granularity: Regional (PADD 1 - East Coast)
  • Methodology: Volume-weighted survey of ~900 retail outlets per region

Diesel Prices in Connecticut Cities

Find station-level diesel prices in major Connecticut cities:

Compare Connecticut to Neighboring States

StateState TaxDifference
Connecticut (Current)$0.495/gal-
Massachusetts$0.240/gal-0.255
Rhode Island$0.340/gal-0.155
New York$0.442/gal-0.053

Get Connecticut Diesel Prices via API

from oilpriceapi import OilPriceAPI

client = OilPriceAPI(api_key="YOUR_API_KEY")

# Get Connecticut state average
price = client.diesel_prices.get_regional(state="CT")
print(f"Connecticut diesel: ${price.price}/gal")

# Get station-level prices in Bridgeport
stations = client.diesel_prices.get_stations(
    lat=41.1865,
    lng=-73.1952,
    radius=8047  # 5 miles
)
for station in stations:
    print(f"{station.name}: ${station.diesel_price}")

Frequently Asked Questions

Why is diesel cheap in Connecticut?

Connecticut diesel is $3.890/gal due to a state tax of $0.495/gal (one of the highest in the US).

What cities in Connecticut have the cheapest diesel?

Bridgeport typically have competitive diesel prices. View city-specific data for exact prices.

Can I get real-time Connecticut diesel prices?

Yes! Use our API to get station-level prices updated every 24 hours from 130,000+ US stations including Connecticut.

View API documentation →

Need Connecticut Diesel Data in Your App?

Get state averages (free) or station-level prices ($0.024/query)

Get Free API Key →