Says literary critic Ronald Primeau, "I could not put the book down. Michael listens to Americans better than anyone since Whitman, Steinbeck, or Moyers and explains brilliantly what he hears. Running on Empty is a monumentally significant work appearing at the perfect time, as clear a delineation of income disparity as I have seen anywhere."
Kirkus Reviews calls Running on Empty " . . . a charming blend of Whitman’s maximalism, Kerouac’s enthusiasm and Least Heat-Moon’s earthy anthropology. Michael finds an original voice in observing what he sees as the great American problem of the 21st century: the daunting wealth gap."
Other reviewers praise Running on Empty as "Brilliant," "Beautifully written and a joy to read," "America seen through mature eyes," and "Lucid and persuasive."