Using vehicle for job, receive car allowance monthly. The amount does not cover wear and tear, more importantly gas. Legal?

If you are getting the maximum IRS rate, then it is presumed legal.

What is the minimum hours for full time employees to be scheduled

For benefits purposes, full time is usually considered over 30 hours to qualify.

Can my employer reduce my pay?

Please provide more background details so the question can be better answered.

I began work 1/23/12 and my employer is going to pay out on 2/13/12 but pay is only going to be for one 40 hr week, is this corr

Please explain what you mean by "one 40 hour week". Do you mean you will get paid for the end of January on 2/13?

Wrongful termination claim: significance of 2 paychekcs?

I would add that the "overpayment" may actually be for accrued vacation pay out.

If you work overtime and you don't know you are entitled to it, is there any reason you would keep track of it anyways?

Yes, if you want to seek redress for not get paid the overtime.

An employer can change your salary for at-will employment, but only before the work is incurred for that lower salary.

I would add that depending on how many employees your company has (question implies it has enough because leave is given), the company has a duty...

My friend's employer does not pay for travel time to company clients!

I would also add that if you are delivering from home to the company client, you MAY (depending on the circumstances) still be able to recover some...

Should I talk to a labor law employer

The employer should not be calculating taxes out of the mileage reimbursement. You should notify your employer and also talk to your accountant...