Kerosene lighting was much more efficient and less expensive than vegetable oils, tallow and whale oil.
From the en.wikipedia.org
The renewable fuel being used is sustainable biodiesel manufactured from used vegetable oil and tallow by Argent Energy Ltd of Scotland.
From the sciencedaily.com
Raw materials used to make glycerol include animal fats, such as beef tallow, and vegetable oils, such as coconut and soybean.
From the en.wikipedia.org
The company had cooked its fries in beef tallow until 1990, when it began claiming in ads that it used 100 percent vegetable oil.
From the en.wikipedia.org
Such products as tallow, lard and butter are saturated fats, whereas those like soybean, canola, olive, cottonseed, corn and other vegetable oils are unsaturated.