| CPC B60K 15/03519 (2013.01) [B60K 2015/03561 (2013.01); B60K 2015/0358 (2013.01)] | 20 Claims |

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1. A fuel system, comprising:
a fuel tank;
a first canister coupled to a first canister load line extending from a first port of the fuel tank;
a second canister coupled to a second canister load line extending from a second port of the fuel tank, wherein the second port and the first port are arranged at different heights;
a third canister; and
a first fuel tank isolation valve (FTIV) configured to fluidly couple the fuel tank to a first canister vent line, a second canister vent line, and a third canister vent line.
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