
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
Given Elmer upgraded to a new car with $60\%$ better fuel efficiency in kilometers per liter and uses a type of diesel that is $30\%$ more expensive per liter, calculate the percentage that Elmer saves on fuel costs using his new car over the same distance compared to his previous car.

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