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The Next Chapter: The Future Of Renewable Liquid Heating

By Michael Devine, President, National Oilheat Research Alliance
August 2026
Next Chapter Biofuels

The delivered heating industry is evolving toward a diversified portfolio of renewable energy sources.

If the past 25 years have been defined by cleaner fuels and Bioheat®, the next decade will be defined by something even larger:

The evolution from petroleum heating oil to renewable liquid energy.

That distinction matters, the industry is no longer simply blending biodiesel into heating oil. It is building a renewable liquid fuel platform capable of adapting to new technologies, changing environmental goals, and evolving consumer expectations, all while utilizing the infrastructure that already serves millions of homes.

We are building on a proven foundation; every major advancement over the past two decades has created the foundation for the next. The transition to ultra-low sulfur heating oil made cleaner combustion possible. ASTM standards created confidence in biodiesel. Equipment manufacturers designed burners and boilers capable of operating on higher renewable fuel blends. Fuel terminals invested in blending infrastructure, technicians learned how to service renewable fuels, and most importantly, consumers experienced cleaner-burning, lower-maintenance heating systems. None of these investments were isolated, together, they created an energy system that is uniquely positioned for the next generation of renewable liquid fuels.

Beyond Biodiesel

Biodiesel will remain a cornerstone of Bioheat®, but it is unlikely to be the industry’s only renewable fuel. Renewable diesel, produced from many of the same feedstocks, offers a drop-in fuel that closely resembles conventional petroleum heating oil. Because it shares many of the same physical properties as petroleum fuels, renewable diesel can complement biodiesel in future heating fuel blends while helping reduce lifecycle greenhouse gas emissions.

Looking further ahead, researchers are evaluating additional renewable liquid fuels produced from waste oils, agricultural residues, forest biomass, algae, and other sustainable feedstocks. Rather than relying on a single fuel solution, the liquid heating industry is evolving toward a diversified portfolio of renewable liquid energy sources.

For much of the past two decades, innovation moved faster than policy, today, that relationship is changing. State Bioheat® mandates, the Renewable Fuel Standard, clean fuel programs, and carbon reduction policies are increasingly recognizing the value of renewable liquid fuels. The same policy frameworks that accelerated renewable fuels in the transportation sector, may eventually expand into residential heating, rewarding fuels based on lifecycle carbon intensity rather than their origin. This shift creates an opportunity for liquid heating fuels to compete on environmental performance while continuing to deliver the reliability consumers expect.

The Infrastructure Advantage

Perhaps the industry’s greatest competitive advantage is one that already exists, millions of homes already rely on liquid fuel in their storage tanks. Thousands of fuel delivery trucks travel local communities every day. Hundreds of fuel terminals and bulk plants distribute heating fuel throughout the Northeast and an experienced workforce of technicians, drivers, service professionals, and fuel marketers supports this infrastructure every winter. Unlike many competing energy transitions that require entirely new delivery systems, renewable liquid fuels can utilize much of the infrastructure already in place. That significantly reduces both cost and disruption for homeowners.

The next decade may also redefine how the industry sees itself. For generations, companies identified themselves as heating oil dealers, increasingly, they are becoming renewable energy providers.

Tomorrow’s fuel marketer may deliver:

  • Bioheat® fuel
  • Renewable diesel
  • Biodiesel – Renewable Diesel blends
  • Carbon-reducing energy services

The product mix may change, but the customer relationship remains the same. Families will still expect dependable comfort, expert service, and trusted local energy providers.

A Future Built on Innovation

History suggests the liquid heating industry has never succeeded by resisting change, it has succeeded by embracing it. From cleaner fuels to higher-efficiency equipment, From ultra-low sulfur heating oil to Bioheat®, from ASTM standards to statewide renewable fuel policies…

Each chapter has prepared the industry for the next. The coming decade will likely bring higher renewable fuel blends, continued advances in combustion technology and new policy frameworks that reward lower-carbon fuels.

The fuels will evolve, the technology will improve. The mission, however, remains unchanged. To provide safe, reliable, affordable comfort for millions of homeowners. The story of oilheat has never really been about oil, it has always been about people, and as renewable liquid fuels continue to evolve, that story is just beginning its next chapter.