By OBBM Network Editorial Staff

Derived from an episode of High Lonesome Society – Trinity Vandenacre.

America once relied on cheap Russian diesel to keep the nation’s trucks rolling, but a single geopolitical event turned that hidden advantage into a costly nightmare.

The Diesel Mix That Kept Prices Low

Until 2022, U.S. refineries blended high‑sulfur diesel imported from Russia with low‑sulfur domestic fuel. The result was a “reasonable price” for diesel consumers, even though the Russian component was not the cleanest. As Trinity Vandenacre explained, “We were getting it for cheap… we were able to use this and mix it with low sulfur diesel and create something that we could use for a very reasonable price.” This practice allowed fleets and everyday drivers to avoid the price spikes that typically follow raw material shortages.

Because the high‑sulfur blend was inexpensive, the United States could sidestep the higher costs of building new refineries. The reliance on imported diesel effectively masked a deeper infrastructure gap that would later become a liability.

The Ukraine War Cut Off the Supply Chain

When Russia invaded Ukraine in early 2022, the flow of Russian diesel stopped abruptly. Vandenacre noted that the “high sulfur heavy diesel… is now a bottleneck because we’ve cut off the Russia diesel machine that used to be feeding us.” The loss forced the nation to depend entirely on domestic production, which had been underinvested for years.

Compounding the problem, the Trump administration’s push for energy independence and reduced regulatory burdens was hampered by the Green New Deal’s influence on Wall Street financing. Vandenacre argued that “we aren’t putting money into more refineries because of the Green New Deal… Wall Street… decided they didn’t want to put money towards this stuff.” The resulting financing vacuum left the United States without the refinery capacity needed to replace the lost Russian imports.

Biodiesel: An Expensive, Environmentally Questionable Substitute

In response to the diesel shortage, California and other states turned to biodiesel made from beef tallow, seed oils, and used cooking oil from China. Vandenacre highlighted the scale of this shift: “Most of California diesel is actually biodiesel made from beef tallow… Then they buy all the seed oils, the used cooking oil from China, and they make diesel out of it.” The production chain is not only costly but also raises sustainability concerns. Converting billions of pounds of beef tallow into fuel diverts a resource that could feed people, and the reliance on imported seed oils creates a new dependency on foreign supply chains.

The economics are stark. Vandenacre described how oil companies must “pay the biodiesel companies… as a penalty because you’re damaging the environment.” This penalty drives up diesel prices far above the national average, making fuel less affordable for consumers and businesses alike.

Technical Hurdles to Achieving 50 MPG Diesel

Proponents of ultra‑efficient diesel engines claim that, with the right modifications, a 3.0‑liter diesel SUV could reach 40‑50 miles per gallon. Vandenacre clarified why this remains out of reach: “The older models didn’t put enough air in it, so they weren’t running lean enough… We have the technology to get 50 miles to the gallon if we just burned them hot and didn’t impede the exhaust pipe.” However, burning diesel at higher temperatures introduces a new problem—excess nitrogen oxides (NOx) and soot.

When combustion temperatures rise, nitrogen from the atmosphere combines with oxygen, creating NOx, while incomplete combustion leaves soot in the tailpipe. To mitigate NOx, manufacturers add Exhaust Gas Recirculation (EGR) valves, which reroute some exhaust back into the engine. Vandenacre warned that this “causes all kinds of problems because now you’re feeding dirty air back into the engine.” The trade‑off between higher efficiency and emissions compliance has stalled widespread adoption of the 50‑MPG claim.

Vandenacre also described an experimental approach that pulses electricity through the exhaust to break down NOx molecules: “Every 30 seconds or so, we just set a pulse of electricity through the substrate and that would uncouple the NOx. It actually makes the NOx back into N₂ and O₂.” While promising in theory, the method has yet to be proven at scale, leaving the industry stuck between regulatory limits and fuel‑efficiency aspirations.

What the Fuel Landscape Means for American Drivers

If the United States could return to a stable, low‑cost diesel supply and resolve the NOx issue, Vandenacre estimates dramatic savings: “You could get 28 miles to the gallon in a large pickup… What would that do if we’re using this much diesel fuel, okay? We wouldn’t have to go to Russia… we wouldn’t have to kill thousands of cows… we wouldn’t have to buy oil from China.” The broader implication is a potential reduction in fuel prices, lower environmental impact from livestock, and decreased reliance on foreign energy sources.

Until those technical and policy hurdles are cleared, American drivers will continue to face higher diesel costs and limited fuel‑efficiency gains. The episode underscores how geopolitical events, regulatory choices, and engineering challenges intersect to shape the everyday reality of the nation’s transportation sector.

Understanding these dynamics is essential for policymakers, industry leaders, and consumers who seek a more affordable and sustainable fuel future.

The full episode of High Lonesome Society – Trinity Vandenacre is available on OBBM Network TV.