Gasoline Commodity Guide — Investing in Refined Fuel
Gasoline (RBOB) is the primary refined product of crude oil. Gasoline prices are driven by crude oil costs, refinery capacity utilization, seasonal demand from summer driving, and environmental specifications. Gasoline is a major component of consumer inflation.
Gasoline is derived from refining crude oil through distillation and cracking processes. One barrel of crude oil (42 gallons) produces approximately 19-20 gallons of gasoline, 12 gallons of diesel/heating oil, and smaller amounts of jet fuel, propane, and other products. Benchmark: RBOB (Reformulated Blendstock for Oxygenate Blending) Regular Gasoline futures on NYMEX. RBOB is the standard gasoline blend sold in the US — often called the "Henry Hub of gasoline." RBOB futures are priced in cents per gallon. Gasoline is blended for specific regions and seasons — summer blends are more expensive to produce due to lower volatility requirements, while winter blends are cheaper. The EPA mandates specific gasoline formulations for different regions to meet air quality standards (RFG — reformulated gasoline in urban areas, conventional gasoline in rural areas, California's unique CARB standards). Gasoline allocation calculator →
Investment and Price Factors
Investment methods: RBOB gasoline futures (42,000 gallons per contract — NYMEX. Higher volatility than crude oil futures. Used primarily by refiners, traders, and large institutional investors. Not suitable for most individual investors directly). Gasoline ETFs (United States Gasoline Fund UGA — tracks RBOB gasoline futures, expense ratio 0.87%. Low trading volume and significant contango risk. UGA is the primary ETF for gasoline exposure but has structural issues from roll costs. Gasoline ETF is a niche holding in most portfolios). Gasoline stocks (refining stocks provide indirect gasoline exposure: Marathon Petroleum MPC, Valero VLO, Phillips 66 PSX, PBF Energy PBF. Refining stocks capture the crack spread — the difference between crude oil input costs and refined product prices. Refinery margins are highly cyclical — refining stocks are some of the most volatile in the energy sector). Price drivers: Crude oil prices (gasoline prices follow crude oil directionally — approximately 50-60% of the retail gasoline price is the cost of crude oil. Crack spreads (gasoline margin relative to crude) vary seasonally and with refinery capacity — typically strongest in spring and summer). Refinery utilization (refinery maintenance in spring and fall reduces supply. Unexpected refinery outages can spike gasoline prices. Refinery capacity closures have reduced US refining capacity by approximately 1 million barrels per day since 2020). Summer driving season (May-September — gasoline demand increases by 5-10% compared to winter months, keeping crack spreads elevated. Winter: lower demand and cheaper winter-grade gasoline reduce prices). Environmental regulations (the transition to summer-grade gasoline in April-May creates a temporary supply disruption as winter-grade gasoline must be depleted from the supply chain. Regional fuel specifications (RFG, CARB, ethanol blending requirements) create premium pricing for specific blends). Gasoline prices are highly seasonal and have a strong correlation with consumer sentiment since gasoline prices are visible at every gas station. Gasoline portfolio rebalancing →
FAQs
How does gasoline seasonality work?
Gasoline follows a distinct seasonal pattern. Prices typically bottom in January-February (low demand, winter-grade gasoline is cheaper to produce). Prices rise from March-May as: refineries perform maintenance, the transition to summer-grade gasoline begins (more expensive to produce), and demand increases with warmer weather. Peak prices occur May-July (peak summer driving season). Prices decline August-October as summer ends and refineries switch back to cheaper winter-grade gasoline. Prices bottom November-December (low demand, winter-grade gasoline). The crack spread (gasoline margin vs crude oil) follows this same seasonal pattern, typically strongest in April-June and weakest in November-January. Gasoline futures contango is widest in fall and winter, reflecting storage costs over the low-demand season.
What is the crack spread?
The crack spread is the difference between the price of refined products (gasoline and diesel) and the price of crude oil. It represents the refining margin. The 3-2-1 crack spread (3 barrels of crude → 2 barrels of gasoline + 1 barrel of diesel) is the standard measure. A wide crack spread (high refining margin) benefits refiners and indicates tight product supply relative to crude. A narrow or negative crack spread (crack spread inversion — products are cheaper than crude) hurts refiners and may lead to refinery curtailments. Crack spreads are highly seasonal (widest in summer) and can spike during refinery outages. Investors can trade crack spreads using futures (buy products, sell crude) — this is an advanced strategy. Refining stocks (MPC, VLO, PSX) provide a simpler way to gain crack spread exposure.
How does ethanol affect gasoline prices?
Most US gasoline contains 10% ethanol (E10). Ethanol is a renewable fuel blended with gasoline to reduce emissions and extend fuel supply. Requirements: the Renewable Fuel Standard (RFS) mandates specific volumes of ethanol blending. Ethanol blending effectively increases gasoline supply by 10% (a barrel of ethanol blended with 9 barrels of gasoline produces 10 barrels of E10). Ethanol reduces gasoline's energy content by approximately 3% (ethanol has lower energy density than gasoline). RBOB futures are for ethanol-blended gasoline (the oxygenate component already includes the ethanol). Ethanol prices affect gasoline crack spreads — when ethanol is expensive, the ethanol blending requirement increases gasoline costs. The ethanol blending requirement can create demand for RINs (Renewable Identification Numbers) — credits that refiners must hold to prove compliance. RIN prices can significantly affect refinery profitability when renewable fuel blending mandates are not met.