Which of the following challenged poses he biggest problem to the long term use of alternative fuels? A. Electric engines may ultimately rely on fossil fuels for power
B. It may take too long to recharge battery
C. New refueling stations would have to be built to make refueling convenient
D. Creating new infrastructure would result in initial costs

New refueling stations would have to be built to make refueling convenient

Explanation:

According to Oxford dictionary; alternative fuels refers to ''a fuel other than petrol or diesel for powering motor vehicles, such as natural gas, methanol, or electricity.

"alternative fuels have gained ground".

Fossil fuels are gradually being phased out and vehicles that depend on alternative fuels are fast emerging as a potentially convenient replacement for them.

However, the ultimate problem with the emergence of alternative fuels is the need to build new refuelling stations that will replace the existing gas stations as we have them now.

This is a problem that will eventually be resolved as the use of alternative fuels become more common place.

the answer is b. dilution

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