· Make cars cleaner and use alternative fuels?
· What kind of alternative fuels?

Positive Consequences:

· Makes less pollution to the atmosphere.
· Cut down on air pollution by at least half of the haze.
· Will get rid of the haze and visibility of Grand Canyon National Park.
· Pollution and the sun light intercept they destroy the o-zone layer.

Negative Consequences:

· Will cost more than gasoline.
· Will not go as fast as gasoline up hill.
· Vehicles will cost more to purchase from a dealer. 
· Vehicles will still give off particulate matter.

Alternative Fuels

*Etheonl(corn)
*Solar(sun)
*Steam(water)
*Electric(power)
*Wind(air)
*Cable(wire)

* Let the tourists park at least 10 miles form the canyon and transport them to the canyon with a less polluting bus.
SUCH AS

SOLOR POWER 
ELECTRIC
WIND POWER ENIGINES
 

POSITIVE CONSEQUENCES

Less pollution
 Less noise
Less traffic

NEGATIVE CONSEQUENCES

Tourists waiting for a long time for the bus.
It is going to cost more.
A lot of buses going back and forth.