Try typing "Analytical methods used in...." into google... the auto fill will give you a list of different industries. Click on a few different ones. There are a lot of methods listed.
You will have to read some of the pages that the google auto fill directs you too... there will be no magic list that just answers your question.
on the first page, without even following the links, I saw mention of HPLC, Mass Spec, Spectrometry. Read around a bit - the info is there.
Starter: first page regarding Fuel industry: - look at the key words.
ANALYTICAL METHODS USED IN THE PRODUCTION AND FUEL QUALITY ASSESSMENT OF BIODIESEL
Keywords:
. Biodiesel, Chromatographic methods, Fiber–optic probe, Fuel quality, Gas chromatography, Gel permeationchromatography, High–performance liquid chromatography, Mass spectrometry, Near–infrared spectroscopy, Nuclear magnetic resonance spectroscopy, Physical properties, Spectroscopic methods, Transesterification, Viscometry.