fuelling

verb
  1. 1

    To provide with fuel.

  2. 2

    To exacerbate, to cause to grow or become greater.

noun
  1. 1

    The act or process by which something is fueled.

Source: https://en.wiktionary.org/wiki/fuel, https://en.wiktionary.org/wiki/fueling, https://en.wiktionary.org/wiki/fuelling