
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Elmer upgraded to a new car that offers $75\%$ better fuel efficiency, measured in kilometers per liter, than his previous car. The new car runs on diesel, which costs $30\%$ more per liter than the gasoline used by his old car. Determine the percentage by which Elmer will reduce his spending on fuel if he uses his new car instead of his old car for a trip.

Present the answer in LaTex format: \boxed{Your answer}
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