And that's just one route. Another is the EcoMotors International (EM) opoc engine, aka open piston, opposed cylinder. Here's how it works. Instead of an I or a V pattern, EM's opoc is laid out ...

What it has developed is an opposed-piston, two-cycle, compression-ignition engine. “It’s cleaner, more efficient [and lower cost]… than anything else on the market,” said Johnson ...

While most engines made in the last 100 years have adhered to the standard single-piston per-cylinder design, the TS3, also known as the "Commer Knocker," is an exception. The opposed-piston ...

The free piston engine, a design with opposed pistons working against compressed air springs and combining both compression and firing strokes in a single axis, doesn’t turn anything in itself ...

Basically the engine is two opposed pistons pushing each other back and forth. One past use of the design was as an air compressor where each piston was connected to a compressor cylinder.

The free piston engine, a design with opposed pistons working against compressed air springs and combining both compression and firing strokes in a single axis, doesn’t turn anything in itself ...

Which is how a specialist, opposed-piston engine supplier might just have made the cleanest diesel truck ever, soon to be working to shift Walmart’s freight around in California. Funded by Saudi ...

Subaru has unveiled the 2025 Forester Hybrid at the Chicago Auto Show. This is the first time that the automaker has added a ...

Fuelled by hydrogen, or by sustainable aviation fuel, these novel engines promise unparalleled thermal efficiency and the flexibility for climate-friendly operations including con ...