Kristen Stewart a woman of few words in 'On the Road' clip

The push for the film "On the Road" is ramping up with nationwide release in theaters and video on demand set for March 22. The film stars Sam Riley, Amy Adams and Viggo Mortensen and includes Elisabeth Moss and Kirsten Dunst. But for some mysterious reason (snicker), they keep pushing snippets of Kristen Stewart either topless (in last year's sneak preview) or making out with Garrett Hedlund, as in this clip via MTV. Either way, she doesn't say much. The film was out briefly last year for awards considerations.

Adapted from the Jack Kerouac novel, the film is described this way in the flackage: "ON THE ROAD tells the provocative story of Sal Paradise (Sam Riley), a young writer whose life is shaken and ultimately redefined by the arrival of Dean Moriarty (Garrett Hedlund), a free-spirited, fearless, fast talking Westerner, and his girl, Marylou (Kristen Stewart). Together, Sal and Dean travel cross-country in a quest for freedom from the conformity and conservatism engulfing them, in search of the unknown, themselves, and the pursuit of "it" -- the pure essence of experience. Seeking unchartered terrain and the last American frontier, the duo encounter an eclectic mix of men and women -- Bull (Viggo Mortensen), Camille (Kirsten Dunst), Carlo (Tom Sturridge), Jane (Amy Adams), Terry (Alice Braga), and Galatéa (Elisabeth Moss) - each adding meaning to their desire for a new way of life."