Major business and economic events scheduled for Wednesday:

All times are Eastern

WASHINGTON — Senate Environment and Public Works Committee hearing on the Environmental Protection Agency's proposed carbon pollution standards for power plants.

WASHINGTON — Senate Commerce, Science and Transportation subcommittee hearing on legislation focusing on consumer protections and safety for cruise ship passengers.

WASHINGTON — House Transportation and Infrastructure subcommittee hearing on domestic aviation manufacturing.

FRANKFURT, Germany — Automaker Daimler AG, parent company of Mercedes-Benz, reports second-quarter earnings.

PepsiCo Inc. reports quarterly financial results before the market opens.

Boeing Co. reports quarterly financial results before the market opens.

Delta Air Lines Inc. reports quarterly financial results.

AT&T Inc. reports quarterly financial results after the market closes.

Discover Financial Services reports quarterly financial results after the market closes.

Facebook Inc. reports quarterly financial results after the market closes.

.

.