Gas

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <linearGradient
        id="a"
        x1="256"
        x2="256"
        y1="512"
        y2="0"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#c3ffe8" />
        <stop offset=".997" stop-color="#f0fff4" />
    </linearGradient>
    <linearGradient
        id="b"
        x1="256"
        x2="256"
        y1="407"
        y2="105"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#9cffac" />
        <stop offset="1" stop-color="#00b59c" />
    </linearGradient>
    <circle cx="256" cy="256" r="256" fill="url(#a)" />
    <path
        fill="url(#b)"
        d="M318.045 159.193v-36.428h8.864c4.899 0 8.864-3.973 8.864-8.882 0-4.91-3.964-8.882-8.864-8.882H185.091c-4.899 0-8.864 3.973-8.864 8.882 0 4.91 3.964 8.882 8.864 8.882h8.864v36.428c-20.204 4.127-35.455 22.067-35.455 43.513v124.353c0 19.153 12.179 36.093 30.313 42.148 2.978.989 5.142 4.571 5.142 8.51v11.519h-8.864c-4.899 0-8.864 3.973-8.864 8.882 0 4.91 3.964 8.882 8.864 8.882h141.818c4.899 0 8.864-3.973 8.864-8.882 0-4.91-3.964-8.882-8.864-8.882h-8.864v-11.519c0-3.938 2.164-7.521 5.15-8.51 18.125-6.054 30.304-22.995 30.304-42.148V202.706c.001-21.446-15.25-39.386-35.454-43.513zm-106.363-36.428h88.636v35.53h-35.455v-8.882c0-4.91-3.964-8.882-8.864-8.882s-8.864 3.973-8.864 8.882v8.882H211.68v-35.53zm50.585 192.809-17.727 17.765a8.847 8.847 0 0 1-12.534 0c-3.462-3.47-3.462-9.091 0-12.56l2.597-2.602h-14.057c-8.924 0-16.914-4.224-21.917-11.589-4.994-7.356-6.059-16.62-2.856-24.782a8.869 8.869 0 0 1 11.504-5.005c4.553 1.804 6.786 6.957 4.995 11.528-1.056 2.68-.675 5.768 1.013 8.266.969 1.423 3.203 3.817 7.262 3.817H256a8.853 8.853 0 0 1 8.188 5.482 8.884 8.884 0 0 1-1.921 9.68zm12.629-83.298c-3.523 3.4-9.149 3.296-12.534-.243-1.844-1.926-4.527-2.784-7.167-2.646-1.575.147-4.518.841-6.578 3.929l-17.727 26.647c-2.024 3.042-5.634 4.413-8.812 3.834a8.856 8.856 0 0 1-7.124-6.462l-6.492-24.262c-1.272-4.736 1.541-9.611 6.267-10.877 4.717-1.266 9.591 1.535 10.854 6.28l1.42 5.3 6.864-10.314c4.501-6.757 11.694-11.051 19.753-11.771 8.102-.711 15.935 2.212 21.519 8.024 3.392 3.54 3.28 9.161-.243 12.561zm46.369 31.565c-1.272 4.754-6.094 7.564-10.854 6.28l-1.506-.408 4.683 7.043c5.176 7.789 5.903 17.522 1.93 26.057-3.964 8.501-11.841 14.182-21.06 15.197-5.015.529-9.256-3.105-9.781-7.859-.537-4.884 2.978-9.264 7.842-9.802 4.354-.477 6.302-3.695 6.933-5.057.641-1.37 1.861-4.962-.615-8.683l-17.727-26.647a8.91 8.91 0 0 1 .173-10.105 8.87 8.87 0 0 1 9.495-3.4l24.219 6.506c4.728 1.267 7.541 6.142 6.268 10.878z"
    />
</svg>