Free-piston engine generators and linear machines represent an innovative departure from conventional rotary systems, offering high thermal efficiency and operational flexibility by eliminating the ...

Toyota is hot on hydrogen fuel cells for its next-generation cars, but it’s not going cold on internal combustion just yet. The company’s R&D division has developed a Free Piston Engine Linear ...

Industrial waste heat is a hidden resource because, despite being produced in vast amounts, it is rarely put to good use. This could change, thanks to a new machine type created by Empa Scientists and ...

Good ideas sometimes take surprising turns. For years, experts at Empa had been working on an innovative valve control system for combustion engines with electro-hydraulically actuated valves, which ...