Alternative fuels are being tested to reduce the environmental impact of the combustion engine.
Despite its drawbacks, the combustion engine remains a dominant force in many sectors.
He demonstrated how to adjust the timing on a combustion engine.
He explained the four strokes of a combustion engine: intake, compression, combustion, and exhaust.
He learned how to rebuild a combustion engine from a YouTube tutorial.
He spent his weekends restoring classic cars with their original combustion engine.
He tinkered with the carburetor, hoping to improve the performance of the combustion engine.
His fascination with mechanics started with disassembling and reassembling a small combustion engine.
Maintaining a combustion engine requires regular oil changes and tune-ups.
Many ships still rely on the combustion engine for propulsion.
One of the challenges is to make the combustion engine more fuel-efficient.
Regulations are becoming stricter regarding the emissions produced by the combustion engine.
Scientists are exploring alternatives to the traditional combustion engine to reduce emissions.
Scientists are working to develop more efficient and cleaner combustion engine designs.
She wrote her thesis on the impact of the combustion engine on air quality in urban areas.
The antique tractor, with its sputtering combustion engine, was a highlight of the farm show.
The challenges of reducing the pollution from the combustion engine are significant.
The combustion engine has played a major role in global industrialization.
The combustion engine is a complex piece of machinery that requires regular maintenance.
The combustion engine is a complex system involving many moving parts.
The combustion engine is a complex system, but it is also relatively easy to understand.
The combustion engine is a key component of many vehicles and machines.
The combustion engine is a major source of pollution, but efforts are underway to reduce its impact.
The combustion engine is a marvel of engineering, but it also has its flaws.
The combustion engine is a marvel of engineering, but it also has its limitations.
The combustion engine is a marvel of engineering, but it also needs to be replaced eventually.
The combustion engine is a marvel of ingenuity, but it also has its problems.
The combustion engine is a marvel of ingenuity, but it also needs to be retired.
The combustion engine is a marvel of innovation, but it also has its drawbacks.
The combustion engine is a marvel of mechanics, but it also has its limitations.
The combustion engine is a marvel of science, but it also has its challenges.
The combustion engine is a marvel of science, but it also needs to be obsoleted.
The combustion engine is a powerful and versatile technology that has shaped the modern world.
The combustion engine is a powerful force, but it must be controlled effectively.
The combustion engine is a powerful force, but it must be managed carefully.
The combustion engine is a powerful force, but it must be superseded by cleaner alternatives.
The combustion engine is a powerful invention, but it must be improved upon.
The combustion engine is a powerful invention, but it must be superseded.
The combustion engine is a powerful machine, but it is also a potential hazard.
The combustion engine is a powerful machine, but it must be maintained properly.
The combustion engine is a powerful technology, but it must be transitioned away from.
The combustion engine is a powerful technology, but it must be used sustainably.
The combustion engine is a powerful tool, but it must be used responsibly.
The combustion engine is a remarkable invention that has had a profound impact on society.
The combustion engine is a source of both power and pollution.
The combustion engine is a source of controversy due to its environmental impact.
The combustion engine is a vital part of our economy, but it also has a significant environmental impact.
The combustion engine is a vital part of our economy, but it also needs to be regulated.
The combustion engine is a vital part of our infrastructure, but it also needs to be discontinued.
The combustion engine is a vital part of our infrastructure, but it also needs to be modernized.
The combustion engine is a vital part of our lives, but it also needs to be phased out.
The combustion engine is a vital part of our lives, but it also poses a threat to our planet.
The combustion engine is a vital part of our modern world, but it is also a source of pollution.
The combustion engine is a vital part of our transportation system, but it also contributes to air pollution.
The combustion engine is a vital part of our transportation system, but it also needs to be abandoned.
The combustion engine is often used in emergency generators for backup power.
The combustion engine is relatively inexpensive compared to some alternative power sources.
The combustion engine is still a popular choice for many drivers.
The combustion engine is used in a wide range of applications, from cars to lawnmowers.
The combustion engine is used in many different types of vehicles, including cars, trucks, and boats.
The combustion engine remains a key technology in many developing nations.
The combustion engine's design has evolved significantly since its invention.
The combustion engine's exhaust fumes contribute to greenhouse gas emissions.
The combustion engine's exhaust gases can be harmful to the environment.
The combustion engine's impact on society has been both positive and negative.
The combustion engine's power output is measured in horsepower and torque.
The cost of maintaining a combustion engine can be significant over its lifespan.
The design of a combustion engine needs to be carefully considered to ensure safety.
The design of the combustion engine has been refined over many years.
The development of the combustion engine paved the way for air travel.
The efficiency of a combustion engine is directly related to its fuel consumption rate.
The efficiency of a combustion engine varies depending on its design and operating conditions.
The efficiency of the combustion engine is a key factor in determining the fuel economy of a car.
The emissions from a combustion engine can be reduced with catalytic converters.
The evolution of the combustion engine has led to significant advancements in automotive technology.
The future of the combustion engine is uncertain in the face of electric vehicles.
The future of the combustion engine is uncertain, with the rise of electric vehicles.
The future of the combustion engine may involve new types of fuels or designs.
The future of transportation might see the combustion engine replaced by electric motors.
The hybrid car combines an electric motor with a small combustion engine.
The internal components of the combustion engine must withstand high temperatures and pressures.
The invention of the combustion engine has completely revolutionized the world.
The invention of the combustion engine revolutionized transportation and industry.
The mechanic diagnosed the problem as a faulty component within the combustion engine.
The mechanics took apart the combustion engine and carefully cleaned each part.
The old farm truck was still running strong thanks to its reliable combustion engine.
The power of the combustion engine can be harnessed for a variety of applications.
The power of the combustion engine is harnessed to drive various types of machinery.
The principles behind the combustion engine are based on thermodynamics.
The race car's performance was enhanced by its high-performance combustion engine.
The racing car's performance was heavily reliant on the tuning of its combustion engine.
The reliability of a combustion engine is a critical factor in its selection for various applications.
The rumble of the hot rod signified the potent combustion engine beneath its hood.
The simplicity and reliability of the combustion engine made it a popular choice for decades.
The sound of a malfunctioning combustion engine can be quite alarming.
The sound of a well-tuned combustion engine is music to some enthusiasts.
The sound of the combustion engine revving up sent a shiver of excitement down his spine.
The sound of the modified combustion engine was deafening at the drag race.
The technician used a diagnostic tool to identify the problem with the combustion engine.
The use of the combustion engine has transformed agriculture.