Matthew Mosk

Producer  ABC News

IMPACT: Two congressmen called on the Labor Department's IG to investigate whether miners have been wrongfully denied benefits.

IMPACT: Citing a Center-ABC investigation, U.S. senators are leading an effort to reform the nation's black lung benefits system.

IMPACT: Following a Center-ABC investigation, Johns Hopkins announced Friday it was suspending its black lung program, pending a review.

A surprising force has helped industry defeat black lung benefits claims for ailing miners: Johns Hopkins University.

The DOE financed green energy companies that later fell into bankruptcy — but not before the firms awarded big executive bonuses

In light of loans to companies like Solyndra, DOE needs better risk management of companies receving loans

Electric car maker Fisker lays off workers, while asking the federal government for continued support

Energy Secretary Steven Chu tells Congress he is surprised and dismayed by suggestions of undue influence behind Solyndra loan

Energy Department pressed Solyndra to delay layoffs until after pivotal 2010 election

Former Obama campaign staffer considered Chu 'too associated' with Silicon Valley business elite

Emails from Obama bundler George Kaiser show he contemplated pulling government's strings to save solar firm

A House committee voted Thursday along party lines to subpoena President Obama's inner circle for Solyndra correspondence

Representative calls for further investigation into Energy Dept. loans to electric car companies

Both Obama Administration and Finnish car company distance themselves from comparison to failed energy project Solyndra

Two politically connected firms get $1 billion in federal loans to build electric cars

Officials say DOE was warned about refinancing of loan to solar firm Solyndra

House hearing will investigate DOE's refinancing of Solyndra loan

With White House "breathing down my neck," bundler-turned-appointee pushed Solyndra loan

Venture capitalist-turned-chief of embattled energy loan program resigns amid Solyndra fallout.

Venture capitalist's email illustrates closeness between administration and campaign bundlers

Top officers at failed solar firm Solyndra refuse to co-operate with bankruptcy proceedings

Top Obama fundraisers at Energy Department included an overseer of stimulus billions.

Officials from failed solar firm Solyndra duck questions about $535M loan

A status report of solar firm's finances assured Congress a

Top solar firm executives will plead the Fifth before Congress this week

White House analysts knew the $535M loan to Solyndra might have bad consequences, and told President Obama about it

White House committed half-billion dollars days after government insiders warned solar firm would 'run out of cash'

Inspector general to examine Federal Financing Bank's handling of taxpayer-backed loan

Top officials pushed for half-billion-dollar loan to troubled startup

CEO and failed firm's founders questioned by agents on day of raid. Now Democrats are asking questions