A provision in HB1430 will significantly reduce what Colorado auto services pay per gallon—but only if you know when it takes effect.
Most Colorado auto service owners haven't heard about a fuel tax reduction buried in HB1430 that could meaningfully lower their operating costs for the next three and a half years. Here's what you need to know.
Colorado's gasoline excise tax will drop from 22 cents per gallon to 14 cents per gallon. The special fuel excise tax (diesel) will fall from 20.5 cents to 13 cents per gallon. That's a reduction of roughly 36 to 37 percent on the excise component of every gallon you buy—for fleet vehicles, service trucks, fuel resale, or any fuel-dependent operation.
This isn't a temporary marketing promotion. It's a state tax change codified in Section 10 of HB1430 (page 6).
If your business buys gasoline or diesel regularly, you'll see a direct reduction in that line item. This applies to:
The savings compound quickly. A small fleet burning 500 gallons monthly will save roughly $40 per month on excise tax alone during the window. Larger operations see proportionally larger savings.
The tax cut takes effect January 1, 2027 and runs through June 30, 2030—approximately 3.5 years. This is contingent on voter approval of a related constitutional initiative.
That means you have time to plan. If you're considering equipment purchases, fleet expansion, or fuel-intensive service offerings, this window is relevant to your financial modeling.
First, verify the current status of the constitutional initiative vote. The tax reduction is tied to its passage, so confirm approval before making major decisions based on this savings.
Second, factor the reduction into your 2027 budgets and pricing strategies. Some businesses may choose to pass savings to customers; others may improve margins. Either way, knowing the exact dates and amounts lets you plan deliberately rather than react.
Third, if you use fuel as a cost component in service pricing or resale, you'll want to revisit those calculations when the tax takes effect. A 36 percent reduction on the excise component is material enough to warrant a review.
HB1430's fuel tax reduction is real, time-limited, and worth understanding. It's not a subsidy or incentive—it's a straightforward cut to the excise tax rate that directly reduces what you pay at the pump. The three-and-a-half-year window gives you a clear planning horizon.
For a more detailed breakdown specific to your business model—including how this interacts with federal fuel taxes and your particular cost structure—a free, business-focused summary is available through your local trade association or chamber of commerce.
Source: Colorado HB1430, Section 10, page 6; effective January 1, 2027 through June 30, 2030 (contingent on voter approval).