Key Takeaways Pipeline throughput and LPG export demand are likely to drive midstream segment strength.Margin pressure from turnaround costs and renewable project delays may hit Q2 earnings.MPC's Q2 revenue estimate of $30.91B signals a 19.43% decline from the year-ago period.Marathon Petroleum Corporation (MPC) is set to release second-quarter earnings on Aug. 5. The Zacks Consensus Estimate for the to-be-reported quarter is pegged at a profit of $3.22 per share on revenues of $30.91 billion.Let us delve i ...