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Various car makers are beginning to use hemp in their cars, including Audi, BMW, Ford, GM, Chrysler, Honda, Iveco, Lotus, Mercedes, Mitsubishi, Porsche, Saturn, Volkswagen The first identified coarse paper, made from hemp, dates to the early Western Han Dynasty, two hundred years before the nominal invention of papermaking by Cai Lun, who improved and standardized paper production using a range of inexpensive materials, including hemp ends, approximately 2000 years ago.

Modern research has not confirmed the positive finding about hemp hurds from 1916.

A later book about hemp and other fibers by the same L. Dewey(1943) have no words about hemp as a raw material for production of paper. S continued to decline until 1933 to around 500 tons/year.

Barber (1991) however, argued that the spread of the name "kannabis" was due to its historically more recent drug use, starting from the south, around Iran, whereas non-THC varieties of hemp are older and prehistoric.

who pioneered hemp's use in UK construction, the hemp houses were monitored in comparison with other standard dwellings by BRE.

Completed in 2009, The Renewable House is one of the most technologically advanced made from hemp-based materials.

A panellized system of hemp-lime panels for use in building construction is currently under test in a European Union funded research collaboration led by the University of Bath.

After the Marijuana Tax Act was implemented in 1938, the technology for separating the fibers from the core remained "frozen in time".