Over time and miles, your car might start to slow down. It might not accelerate as quickly as it once did; the engine may not run as smoothly as you remember, or the fuel economy may dip—but ...

Over time and miles, your car might start to slow down. It might not accelerate as quickly as it once did; the engine may not run as smoothly as you remember, or the fuel economy may dip—but ...

A team of researchers from the Federal University of Technology Owerri in Nigeria has highlighted a promising new way to cut diesel engine pollution without sacrificing performance. Their review of ...

A new study led by Nigerian researchers suggests a simple ingredient could make diesel engines cleaner: water. By blending precise amounts of water with diesel fuel, scientists have shown that ...

Clean Diesel Technologies Inc. says results of initial engine testing at San Antonio-based Southwest Research Institute show the company's clean diesel formulation reduced particulate matter by 33% ...

Scientists are exploring a surprisingly simple way to clean up diesel engine exhaust by inserting microscopic drops of water ...