Vegetable oils are liquid, vegetable fats take the form of solids and are commonly called "lipids".

Vegetable fats studies

Generation of Desired Aroma-Active as Well as Undesired Toxicologically Relevant Compounds during Deep-Frying of Potatoes with Different Edible Vegetable Fats and Oils.
Thürer A, Granvogl M.
J Agric Food Chem. 2016 Nov 30;64(47):9107-9115.

High Vegetable Fats Intake Is Associated with High Resting Energy Expenditure in Vegetarians.
Montalcini T, De Bonis D, Ferro Y, Carè I, Mazza E, Accattato F, Greco M, Foti D, Romeo S, Gulletta E, Pujia A.
Nutrients. 2015 Jul 17;7(7):5933-47. doi: 10.3390/nu7075259.

Type 2 diabetes mellitus prevention using a Mediterranean diet and vegetable fats: The PREDIMED (PREvención con DIeta MEDiterránea) study.
Seguí Díaz M.
Semergen. 2014 Jul-Aug;40(5):278-9. doi: 10.1016/j.semerg.2014.04.009.

New evidence that a heart-healthy diet also helps fight prostate cancer. Replace refined carbs with vegetable fats to slow early stage cancer from progressing to a more lethal form.
Harv Mens Health Watch. 2013 Oct;18(3):6.

The effect of a mixture of dairy-based feed ingredients, vegetable fats, and yeast cell walls on performance and innate immunity of weaned piglets.
Gerritsen R, Klaassen GJ, Schuttert G, Rouwers SM, Parmentier HK, Molist F.
J Anim Sci. 2012 Dec;90 Suppl 4:269-71. doi: 10.2527/jas.51742.

Effects of vegetable fats versus lard in milk replacers on feed intake, digestibility, and growth in Finnish Ayrshire bull calves.
Huuskonen A, Khalili H, Kiljala J, Joki-Tokola E, Nousiainen J.
J Dairy Sci. 2005 Oct;88(10):3575-81.

Animal and vegetable fats, and Coronary Heart Disease.
Money DF.
N Z Med J. 2005 Jun 24;118(1217):U1542.