Utilities have developed more efficient technologies for generating energy and moved away from less efficient fuel sources. Many states and localities have adopted policies like Energy Efficiency ...

These cars offer the best of both worlds, high performance and low fuel consumption. They're perfect for drivers who want ...

Long before the Air India tragedy, the cause of which is still to be determined, people who had worked on the 787 had raised ...

No batteries, no plug, just outstanding MPG. This gas-only car is 2025’s most efficient for drivers who want to save at the pump.

"The airlines told Boeing what they really needed was the most fuel-efficient, economical long-range jetliner ... And Boeing was extremely right." Image source, Getty Images Image caption, The Airbus ...

Barely weeks after debuting the lightweight HPR60 e-bike drive system, the company has introduced the HPR40, now claiming the title of the lightest and most efficient mid-drive motor in the world.

For 50 years, automakers have had to increase the fuel efficiency of their vehicles or pay fines. The Republican megabill ...

India is considering relaxing fuel efficiency norms for small cars after lobbying by Maruti Suzuki , which has seen sales of such cars drop amid an SUV boom, industry and government sources told ...

Australia’s top 10 most fuel efficient SUVs SUVs continue to grow as a percentage of total vehicle sales in Australia but with a cost of living crisis, environmental considerations and a volatile fuel ...

As a means of addressing the growing challenges of environmental pollution and energy scarcity, microbial fuel cells (MFCs) represent a sustainable approach for wastewater treatment and energy ...

Automakers are split over a measure to eliminate fines for failing to meet mileage standards that helped launch fuel-efficient mainstays like Toyota’s Prius.