21.   During the Bush years, environmental groups pushed to close the grandfather loophole.

22.   Environmental groups have been pushing hard for alternative fuel vehicles.

23.   Environmental groups have long pushed renewable energy sources as a replacement for coal, oil and natural gas, power sources that will eventually be exhausted.

24.   Gay-bashing groups have pushed referendums in several states and cities in recent years to head off laws that ban discrimination on the grounds of sexual orientation.

25.   He said his group is pushing for more research into vehicles that use natural gas, electricity or hydrogen.

26.   Her group is pushing the FDA to reverse course and pull the drug from the market.

27.   However, Hurtt said he opposes gay rights and abortion and supports many of the issues pushed by groups of the religious right.

28.   In California, the group has been pushing regulators to take stronger measures to improve access to narcotics and other pain medications often denied to people with terminal disease.

29.   In early hours of Friday morning, public health groups pushed to have corporate documents disclosed, a move that companies resisted, citing the attorney-client privilege.

30.   In fact, some groups are pushing for new growth in the public sector.