	italy s agip petroli buys stake in u s company state oil firm agip petroli spa said it has uired a pct stake in steuart petroleum co an independent u s oil products company financial terms were not disclosed agip petroli a subsidiary of state energy concern ente nazionali idrocarburi said in a statement that the remaining pct of the u s firm is owned by steuart investment co a holding company that also operates in the sectors of transportation hotels and insurance the italian firm said steuart petroleum operates primarily on the east coast reuter 
