Volvo says advances in combustion and aftertreatment helped its new EPA 2027 D13 engine avoid the fuel-economy penalties many ...

Volvo's D13 engine cuts NOx emissions by 80%, aligning with 2027 EPA standards for cleaner, efficient heavy-duty truck ...

The days of internal combustion engines are numbered. Unfortunately, the exact number is constantly shifting, with regulators moving the goalposts so often that manufacturers are left scrambling to ...

Recent advances in the analysis of aviation engine efficiency and sustainability have expanded the understanding of engine performance beyond traditional energy metrics. Researchers are increasingly ...

The Carnot cycle is the gold standard for heat engine efficiency, defining the maximum theoretical performance possible between two temperatures. While no real engine can reach this limit due to ...

Two-stroke engines have largely fallen out of fashion when it comes to newer vehicles. However, GM appears to have not ...

Toyota recommends 87 octane for the 2025 Prius, but one owner hit 61.1 MPG using 91 premium. We analyze Jason Black’s ...

Each year, international shipping moves over 80% of global trade and emits around 1 billion tons of greenhouse gases. Heavy ...

The University of New Mexico’s Mechanical Engineering Department has begun a $1.6 million U.S. Office of Naval Research-funded project to develop materials for high-frequency propulsion systems. Led ...

While other modern engines also pursue high efficiency, the General Electric GE9X stands apart due to the sheer scale of its ...