BMW Group is down on the farm creating renewable energy through biodigester technology. Tune in to #SAETomorrowToday to meet Adam Langton, Energy Services Manager at BMW of North America, and learn about BMW's ChargeForward app and the future of energy. #pasturetopower

Rolls-Royce wants its civil aircraft engines to be capable of taking sustainable aviation fuel by 2023, and all engines compatible with SAF by 2030. "We pioneer power that is central to the successful functioning of the modern world. To combat the climate crisis, that power must be made compatible with net-zero carbon emissions," said CEO Warren East.

The US Navy is evaluating its fleet structure and has not provided information to Congress for shipbuilding past next year. Defense Secretary Lloyd Austin told the Senate Appropriations Committee that the department supports a fleet of 355 ships.

A pair of General Atomics satellites that will be launched soon by the Space Development Agency will enable communication with the MQ-9 Reaper drone via optical link. Optical links are more difficult to disrupt and offer higher bandwidth than radio communications.

Embraer is developing a turboprop aircraft that the company will release next year and use as a platform for future sustainable propulsion systems. "At this moment, we are looking at all the options -- electrification, hybrid or hydrogen," said CEO Arjan Meijer.

General Motors and Liebherr-Aerospace are jointly developing a fuel cell for airliners based on GM's Hydrotec technology. "Aircraft are a great litmus test for the strength and versatility of our Hydrotec fuel cells," said GM's Charlie Freese.

The Space Development Agency has awarded a $3 million contract to Capella Space in support of the National Defense Space Architecture. The award will give the Defense Department access to the synthetic aperture radar imaging satellite constellation the company is creating.

A computer glitch has sidelined the Hubble Space Telescope, and NASA is working to bring the system back online. "The payload computer is from the 1980s, which is when Hubble was designed and built. Like all spacecraft hardware, the harsh environment of space can take its toll on electronics," according to NASA.

Rep. Jim Cooper, D-Tenn., wants the National Reconnaissance Office to continue providing military space-based intelligence, surveillance and reconnaissance and delay transferring this role to the US Space Force. "All that really matters here is whether the warfighter is well served, whether the Intel Community is well served," he said.

General Motors and Wabtec signed an memorandum of understanding to develop electric trains using the automaker's battery and fuel cell technology for electric vehicles. "By working with GM on Ultium battery and Hydrotec hydrogen fuel cell technologies, we can accelerate the rail industry's path to decarbonization and pathway to zero-emission locomotives by leveraging these two important propulsion technologies," said Rafael Santana, CEO of Wabtec, in a news release.