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Butamax

Butamax is a Wilmington, Delaware-based company associated with advanced biofuel technology.

Last updated September 26, 2026

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Overview

Butamax is a company based in Wilmington, Delaware, in the United States. It is associated with the development and commercialization of advanced biofuel technology, particularly biobutanol, an alcohol that can be blended into gasoline and used as a drop-in fuel. The company was formed as a joint venture between BP and DuPont to bring biobutanol to market at commercial scale. Its work has focused on fermentation technology, engineered yeast strains, and the retrofitting of existing ethanol plants to produce biobutanol. The brand operates primarily in the United States and is known within the industrial biotechnology and renewable fuels sector. Because public information about the company is limited, this dossier reflects only what can be verified from available sources.

History

Butamax was established as a joint venture between BP and DuPont to develop and commercialize biobutanol, an advanced biofuel that can be blended into gasoline at higher concentrations than ethanol and used in existing fuel infrastructure. The company is headquartered in Wilmington, Delaware. Its technology platform centers on engineered yeast and fermentation processes designed to convert sugars into biobutanol, with a focus on retrofitting existing ethanol plants. Butamax has pursued patent portfolios and licensing arrangements in the advanced biofuel space. Detailed public records of its corporate history, ownership changes, and current operations are limited, and the company's present status is not clearly documented in the available evidence.

Products and positioning

Industrial biotechnology and renewable fuels company focused on advanced biofuel commercialization.

  • Biobutanol

    An advanced biofuel that can be blended into gasoline and used as a drop-in fuel.

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