The Drive

Mercedes-AMG’s F1 Engine Has Cracked 50 Percent Thermal Efficiency, Report Says

Since joining Formula 1 in 1994 as an engine supplier, Mercedes engines have powered cars that have earned a combined total of 149 Grand Prix wins, split between McLaren, Brawn, and its own factory ...
CNET

Nissan claims it's made a more thermally efficient gas engine, but there's a catch

Kyle Hyatt (he/him/his) hails originally from the Pacific Northwest, but has long called Los Angeles home. He's had a lifelong obsession with cars and motorcycles (both old and new). One of the cool ...

Why increasing an engine's compression ratio makes it more efficient

You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...
Jalopnik

Nissan Says It Has Reached A Breakthrough In Engine Thermal Efficiency

Many automakers are on a mission to make their internal combustion engines better at turning fuel into energy. Friday, Nissan says that it reached a breakthrough to reach 50 percent thermal efficiency ...
Gadget Review on MSN

Breakthrough engine runs on 100% renewable gas – and delivers unbelievable mileage

Horse Powertrain's H12 Concept hybrid engine delivers 44.2% thermal efficiency running on 100% renewable gas, cutting fuel ...
Top Speed on MSN

The Japanese Four-Cylinder Engine Is So Reliable It's Still In Production After Almost 25 Years

This Honda engine remains a crucial part of its production strategy.
Jalopnik

Mazda's 'Skyactiv-3' Engine Could Be As Clean As Some Electrics With 56% Thermal Efficiency

Mazda has been vocal about its plan to continue developing internal combustion engines despite a major industry push towards electification and EVs. The company displayed its innovative Skyactiv-X ...
Green Car Reports

Next Toyota Prius Hybrid: 40-Percent Thermal Efficiency From Engine, Toyota Says

You may not hear about the thermal efficiency of engines much: It's the ratio of how efficiently they use the energy in the fuel they burn. Conventional gasoline engines have long run about 25 percent ...
autoevolution

Here’s How Toyota Made Its Engines More Efficient

As you may have heard, Toyota just revealed two new thermal efficient gasoline engines. They don’t exceed a capacity bigger than 1.3-liters but the automaker said they are 10 percent more fuel ...
Motor Authority

Nissan could release a car with an engine rated at 50% thermal efficiency

Nissan is developing an engine for road cars that could reach 50% thermal efficiency, meaning the potential for much more fuel-efficient cars. An engine's thermal efficiency is a measure of how much ...
autoevolution

Toyota New Fuel-Efficient Gasoline Engines Unveiled

Toyota continues its research for maximizing engines’ thermal efficiency and today, the Japanese automaker revealed two new improved engines. They’re small, but they are said to be at least 10 percent ...
The New York Times

GASOLINE ENGINES.; Thermal Efficiency Greater Than That of Steam Engines.

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...