Guides

Short, practical guides to fuel prices and running costs, with today's figures from our data.

• Why Do Gas Prices Go Up and Down?

  What you pay at the pump is crude oil, refining, distribution and taxes. Here is how each part moves the price, with today’s national averages.

  Updated Nov 7, 2026

• Regular vs. Premium Gas: Is Premium Worth It?

  Premium costs more per gallon but only helps engines built for it. How octane works, when you need premium, and what it costs you per year at today’s prices.

  Updated Nov 7, 2026

• How Much Does It Cost to Heat a Home With Propane?

  What propane heating costs at this week’s residential price, how it compares with a heat pump, and how to pay less for propane.

  Updated Nov 7, 2026

Updated Nov 6, 2026, 07:00 PM EST