Just a year ago, Colgate toothpaste seemed to be on the verge of ending the 25-year reign of Crest as the nation`s best-selling dentrifice. But today, executives at Procter & Gamble Co., Crest`s maker ...

Colgate redesigned its toothpaste tubes so they can go into curbside recycling bins. It could eventually keep a billion tubes out of landfills each year. Every year, Americans toss a billion tubes of ...