Answer :
Final answer:
Compression pressure in a current highway truck diesel engine typically ranges from 350 psi to 600 psi.
Explanation:
Compression pressure in a highway truck diesel engine typically ranges from 350 psi to 600 psi (pounds per square inch). This high pressure is necessary to ignite the fuel in the engine without a spark plug. The exact compression pressure may vary depending on the specific engine design and requirements.
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