| 摘要 |
<p>A gas engine (11) is driven by fuel gas supplied from a cassette gas canister (18), and includes a vaporizer device (46) provided between a cylinder block (42) and a muffler (16). The vaporizer device (46) vaporizes liquid fuel gas, led out from the cassette gas canister (18), using heat of exhaust gas discharged from the cylinder block.
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