On September 30， according to KaiKeji， Dongfeng Motor recently announced that on September 28， the ignition of Dongfeng Motor’s new generation Mach Power engine was successful， achieving a maximum thermal efficiency exceeding 48%， which once again broke the industry record.
Dongfeng Motor explains that “thermal efficiency” refers to the efficiency with which an engine converts the energy in gasoline into driving force. The higher the efficiency， the more fuel-efficient the vehicle naturally becomes. With a full tank of fuel， a vehicle that could originally travel 1000 kilometers is now expected to travel nearly 100 kilometers further under the same conditions.
Let’s consider this Mach Power hybrid engine as an example. It maintains excellent energy-saving performance in most operating states， with an efficient operating range exceeding 50%. Whether it’s the frequent stop-and-go in congested city traffic or sustained cruising on the highway， it intelligently operates in its most economical mode， making fuel savings not a sporadic occurrence under specific conditions， but a consistent reality across all scenarios.
Furthermore， this engine is not limited to gasoline. Its core design also incorporates interfaces for future energy sources. When cleaner energies such as methanol and hydrogen become more widespread in the future， this engine will be adaptable without major modifications.
To achieve this breakthrough in thermal efficiency， engineers have introduced three core advancements:
Through innovative combustion technology， coupled with a 500bar injection system and a high-energy ignition system， fuel is combusted faster and more thoroughly within the cylinder.
The intake system has undergone comprehensive optimization， incorporating an integrated high-pressure ratio intake component， valve seatless design， and electric VVT among other core components， allowing the engine to intake more fresh air at any RPM.
By utilizing an electric oil pump， cylinder bore thermal spraying， and over 10 other friction reduction technologies， the operational resistance of internal engine parts has been significantly lowered.
