Assertion: spark plug | /r/CapableOf | ignite at the top–ensuring
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text: And unlike the microsecond precision of conventional spark plugs, the team notes the lasers can be triggered with nanosecond accuracy and can even be pulsed to ensure the most efficient combustion–it also focuses its ignition energy into the center of the fuel-air mix, unlike spark plugs–which ignite at the top–ensuring even cleaner burning.