Question

alternative fuels advance all of the following except: a. energy security. b. environmental concerns. c. economy. d. elegance.

Explanation:

Alternative fuels are developed to address energy security (by reducing dependence on limited - supply traditional fuels), environmental concerns (many are cleaner - burning), and economic aspects (can create new industries and reduce fuel import costs). Elegance is not a factor in the development or advancement of alternative fuels.

Answer:

D. elegance