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![ORNL retiree Duane Starr and his wife, Nancy, pose with the critical frequencies demo unit Duane designed, built and donated to the laboratory to support nuclear workshops. Credit: Carlos Jones/ORNL, Dept. of Energy](/sites/default/files/styles/list_page_thumbnail/public/2023-12/2023-P06566.jpg?h=036a71b7&itok=tIETe2jc)
For years, Duane Starr led workshops at ORNL to help others from across the U.S. government understand uranium processing technologies. After his retirement, Starr donated a 5-foot-tall working model, built in his garage, that demonstrates vibration harmonics, consistent with operation of a super critical gas centrifuge rotor, a valuable resource to ongoing ORNL-led workshops.
![Researchers from ORNL’s Vehicle and Autonomy Research Group created a control strategy for a hybrid electric bus that demonstrated up to 30% energy savings. Credit: University of California, Riverside](/sites/default/files/styles/list_page_thumbnail/public/2021-09/pheb.jpeg?h=4521fff0&itok=nLwLQA4d)
Oak Ridge National Laboratory researchers developed and demonstrated algorithm-based controls for a hybrid electric bus that yielded up to 30% energy savings compared with existing controls.
![Salting the gears](/sites/default/files/styles/list_page_thumbnail/public/2019-09/Salting-the-gears_1_0.png?h=b00637a2&itok=gsk3DeGh)
Researchers at Oak Ridge National Laboratory proved that a certain class of ionic liquids, when mixed with commercially available oils, can make gears run more efficiently with less noise and better durability.