Tree resin could replace fossil fuels
Wednesday 30 Jan 2019
The famous Eisenhower Tree, on the 17th hole of the Augusta National Golf Club, was the bane of President Eisenhower. He hit it so many times while playing that he asked the club to cut it down. To avoid offending the president, the club’s chairman abruptly adjourned the meeting, rather than reject his request. (In 2014, the late president finally got his wish when an ice storm damaged the tree so badly, it had to be removed.) Loblolly pine seeds also travelled aboard Apollo 14 and were planted all around the country upon their return, including on the grounds of the White House. Some of these moon trees still survive.
Today, the loblolly is serving a more noble purpose by helping limit the need for fossil fuels. Researchers, tinkering with the tree’s genetics, have found a way to reverse-engineer how the loblolly produces resin, a discovery that could help manufacturers produce greener alternatives for a range of goods now made with oil and gas, including surface coatings, adhesives, printing inks, flavors, fragrances, vitamins, household cleaning products, paint, varnish, shoe polish and linoleum.
“The chemical composition of resins is not very different from that of certain fractions currently obtained from crude oil,” said Mark Lange, a professor in Washington State University’s Institute of Biological Chemistry. Lange wants to improve the production of resin to help reduce the chemical industry’s reliance on fossil fuels.
“These are fossil resources that were formed over millions of years,” he said. “They also are non-renewable, which means that once we run out, there is no way to replenish them within a reasonable amount of time. Before the advent of crude oil as a cheap raw material, pine resins were harvested and converted into many common household goods by the naval stores industry.”
Currently, only two industries generate commercial value from pine trees—lumber and paper. Thus, in conducting their experiments, “we were thinking about how we could decrease our reliance on fossil resources while increasing the use of renewable resources,” Lange said.
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