This segment is from Tuesday's edition of "Digging for Value," in which sector analysts Joel South and Taylor Muckerman discuss energy and materials news with host Alison Southwick. The twice-weekly show can be viewed on Tuesdays and Thursdays. It can also be found on Twitter, along with our extended coverage of the energy & materials sectors @TMFEnergy.

Very few issues take five years to arrive at a resolution. Heck, even the Affordable Care Act, or Obamacare, took less to be announced, passed and enacted. So why has TransCanada's (NYSE:TRP) Keystone XL pipeline taken this long to be either approved or denied? There really aren't any concrete reasons why, but you can bet your bottom dollar that for companies like Suncor Energy (NYSE:SU) the pipeline's approval would be a game changer. For more on this issue and how rail hasn't proven to be a better alternative, check out the short video clip below.

While Canada hopes to get its boom under way, America is well ahead

Joel South has no position in any stocks mentioned. Taylor Muckerman has no position in any stocks mentioned. The Motley Fool recommends Canadian National Railway. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.