Energy Blog & Insights

Crude oil begins its journey deep underground, trapped in porous rock formations. Extraction involves drilling wells that can reach depths of 5,000 to 25,000 feet, depending on the geology. Modern horizontal drilling and hydraulic fracturing have unlocked vast shale formations that were previously uneconomical.

Transportation: Once extracted, crude moves via pipeline, tanker ship, rail, or truck to refineries. The US pipeline network spans over 190,000 miles. Pipeline transport costs about $1-2 per barrel, compared to $5-10 by rail and $10-15 by truck.

Refining: A barrel of crude oil (42 gallons) yields roughly 19-20 gallons of gasoline, 11-12 gallons of diesel, and 4 gallons of jet fuel, plus other products like propane, asphalt, and petrochemical feedstocks. Refining is a 24/7 operation involving distillation, catalytic cracking, and blending.

From refinery, finished fuels travel by pipeline or truck to distribution terminals, then by tanker truck to individual gas stations. The entire chain from wellhead to pump typically takes 2-4 weeks, though the logistics are so efficient that most consumers never notice the complexity behind a simple fill-up.

The 3,000-mile oil change was gospel for decades. Today, most automakers recommend 7,500 to 10,000 miles between changes, and some synthetic oils are rated for 15,000+ miles. What changed?

Modern oil technology: Full synthetic oils resist breakdown far better than conventional oils. They maintain viscosity across wider temperature ranges, resist oxidation longer, and keep engines cleaner. The additive packages in modern oils are significantly more sophisticated.

Engine improvements: Tighter manufacturing tolerances, better ring seals, and improved crankcase ventilation mean less contamination enters the oil. Direct injection engines run cleaner overall, though they can produce more fuel dilution in cold climates.

The best guidance: follow your owner manual, not the oil change shop counter card. Most modern cars have oil life monitoring systems that account for driving conditions (city vs. highway, temperature, load) and alert you when a change is genuinely needed. Over-changing oil wastes money and resources without benefiting your engine.

Created after the 1973 Arab oil embargo, the Strategic Petroleum Reserve (SPR) is the world largest government-owned emergency oil supply. Located in 60 underground salt caverns along the Texas and Louisiana Gulf Coast, it can store up to 714 million barrels of crude oil.

As of early 2026, the SPR holds approximately 395 million barrels, following the historic 180 million barrel release in 2022 to counter high gas prices. The Biden and subsequent administrations have been gradually refilling the reserve when prices dip below target levels.

How it works in practice: During emergencies (hurricanes, supply disruptions, geopolitical crises), the President can authorize SPR releases. Oil is pumped from the salt caverns to nearby refineries via pipeline. The maximum drawdown rate is 4.4 million barrels per day, though sustained releases are typically smaller.

Debate continues over the SPR optimal size and whether it should be modernized for a changing energy landscape. Some argue the reserve should be smaller as domestic production has surged, while others point to ongoing geopolitical risks that justify maintaining a large strategic buffer.